Setaloft 50 mg (Sertraline)
Selective Serotonin Reuptake Inhibitor (SSRI) for depression, anxiety disorders, OCD, panic disorder and PTSD
Quick Facts About Setaloft
Key Takeaways About Setaloft
- Setaloft is sertraline: Setaloft 50 mg contains sertraline hydrochloride and is therapeutically equivalent to other sertraline-containing medicines such as Zoloft and Lustral
- Multiple indications: Approved in adults for depression, OCD, PTSD, panic disorder, and social anxiety disorder, and in children aged 6–17 for OCD
- Takes time to work: Full therapeutic effects typically develop after 4–6 weeks; do not stop early because you do not feel an immediate effect
- Never stop abruptly: Gradual dose tapering over weeks is essential to avoid withdrawal symptoms such as dizziness, anxiety, and flu-like sensations
- Critical interactions: Setaloft must not be combined with MAO inhibitors or pimozide; many other interactions including blood thinners, triptans and tramadol require monitoring
What Is Setaloft and What Is It Used For?
Setaloft is a prescription antidepressant containing the active substance sertraline (50 mg per film-coated tablet). It belongs to the class of selective serotonin reuptake inhibitors (SSRIs) and is used to treat major depression, obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD), panic disorder and social anxiety disorder. Setaloft works by increasing serotonin availability in the brain, helping restore chemical balance and improve mood, anxiety, and emotional well-being.
Setaloft belongs to a group of medicines known as SSRIs (selective serotonin reuptake inhibitors). The active ingredient, sertraline, works by selectively blocking the reabsorption (reuptake) of the neurotransmitter serotonin in the brain. By preventing serotonin from being reabsorbed back into nerve cells, sertraline increases its concentration in the synaptic cleft – the small space between nerve cells where chemical signals are transmitted. This enhanced serotonergic activity gradually helps regulate mood, anxiety processing, and emotional responses. Unlike older antidepressants such as tricyclic antidepressants (TCAs), SSRIs like Setaloft have minimal effects on noradrenaline, dopamine, histamine, and acetylcholine receptors, which generally results in fewer cardiovascular and anticholinergic side effects.
Sertraline, the active substance in Setaloft, is one of the most widely prescribed antidepressants globally and is included on the WHO Model List of Essential Medicines, reflecting its established efficacy, safety, and importance in healthcare systems worldwide. Sertraline is marketed under many brand names including Zoloft, Lustral, Setaloft, and numerous generics. All sertraline 50 mg film-coated tablets are bioequivalent and produce the same therapeutic effect when taken at the same dose. Setaloft is dispensed only with a prescription from a licensed healthcare professional.
Approved Indications
Setaloft (sertraline) is approved by international regulatory authorities including the European Medicines Agency (EMA) and the U.S. Food and Drug Administration (FDA) for the treatment of the following conditions in adults:
- Major depressive disorder (MDD): Acute treatment and prevention of recurrent depressive episodes
- Obsessive-compulsive disorder (OCD): In adults, and in children and adolescents aged 6–17 years
- Panic disorder: With or without agoraphobia
- Post-traumatic stress disorder (PTSD): Particularly in women, where evidence is strongest
- Social anxiety disorder (social phobia): Characterized by intense anxiety in social or performance situations
Major depression is a clinical illness characterized by persistent low mood, loss of interest in usual activities, sleep disturbance, fatigue, difficulty concentrating, appetite changes, and feelings of worthlessness or hopelessness. It is one of the leading causes of disability worldwide. Setaloft helps restore the serotonergic balance disrupted in depression and is typically used together with psychological interventions such as cognitive behavioral therapy (CBT) for the best long-term outcomes.
OCD is an anxiety-related disorder where patients experience intrusive thoughts (obsessions) and feel compelled to perform repetitive behaviors or mental rituals (compulsions) to reduce distress. Panic disorder involves recurring, sudden episodes of intense fear with physical symptoms such as palpitations, sweating, chest pain, and a feeling of impending doom. PTSD can develop after exposure to actual or threatened death, serious injury, or sexual violence and includes intrusive memories, avoidance behaviors, hyperarousal, and negative changes in mood and cognition. Social anxiety disorder involves a persistent fear of social or performance situations due to concerns about embarrassment or negative evaluation. Setaloft has demonstrated efficacy across all of these conditions in randomized controlled trials.
Your doctor has assessed that Setaloft is appropriate for your specific condition. Setaloft may also be used for off-label conditions such as premenstrual dysphoric disorder (PMDD) or generalized anxiety disorder, depending on local prescribing practices. Always follow your doctor's instructions and ask if you are unsure why you have been prescribed this medicine.
What Should You Know Before Taking Setaloft?
Before taking Setaloft, you must inform your doctor about all medical conditions, other medicines, supplements, and whether you are pregnant or breastfeeding. Setaloft must never be combined with MAO inhibitors or pimozide. Special caution is needed for patients with epilepsy, bipolar disorder, liver or kidney disease, diabetes, bleeding disorders, glaucoma, heart conditions, or a history of suicidal thoughts.
Contraindications
You must not take Setaloft in any of the following situations:
- Hypersensitivity: Known allergy to sertraline or any of the other ingredients listed in the section "What Does Setaloft Contain?"
- Concomitant use of MAO inhibitors: Such as selegiline, moclobemide, phenelzine, tranylcypromine, the antibiotic linezolid, or the dye methylene blue. You must wait at least 2 weeks after stopping an MAO inhibitor before starting Setaloft, and at least 1 week after stopping Setaloft before starting an MAO inhibitor
- Concomitant use of pimozide: An antipsychotic medication used for psychotic disorders
Combining Setaloft with MAO inhibitors can trigger serotonin syndrome, a potentially life-threatening condition. Symptoms include confusion, agitation, rapid heart rate, high blood pressure, dilated pupils, muscle twitching, hyperreflexia, and high fever. If you experience these symptoms, seek emergency medical attention immediately and tell the team you are taking Setaloft.
Warnings and Precautions
Talk to your doctor before taking Setaloft if you have or have previously had any of the following conditions, as your dose or monitoring schedule may need to be adjusted:
- Epilepsy or a history of seizures: Contact your doctor immediately if you experience a seizure during treatment with Setaloft
- Bipolar disorder, schizophrenia or psychosis: If you experience a manic or psychotic episode, contact your doctor immediately
- Suicidal thoughts or self-harm: See the dedicated section below on suicidal thoughts and worsening of symptoms
- Serotonin syndrome risk: This rare but serious condition can occur when Setaloft is combined with other serotonergic medicines, including triptans, tramadol, lithium, or St. John's Wort
- Hyponatremia (low blood sodium): SSRIs including Setaloft can cause hyponatremia, particularly in elderly patients, women, or those taking diuretics
- Liver disease: A lower dose may be required, as sertraline is extensively metabolized by the liver
- Diabetes mellitus: Blood glucose levels may be affected, and antidiabetic medication may need to be adjusted
- Bleeding disorders or risk of bleeding: Setaloft may increase bleeding risk, especially when combined with anticoagulants, antiplatelet agents, or NSAIDs
- Glaucoma: Particular caution with narrow-angle glaucoma due to the risk of acute increase in intraocular pressure
- Cardiac conditions: Including QT prolongation on ECG, low potassium or magnesium, slow heart rate, or recent myocardial infarction
- Electroconvulsive therapy (ECT): Inform your doctor if ECT is planned
Akathisia (Restlessness)
Use of Setaloft has been associated with akathisia – a distressing inner restlessness with a compelling need to move, often manifested as an inability to sit or stand still. This typically occurs during the first few weeks of treatment. If you develop these symptoms, increasing the dose may worsen them. Speak with your doctor before making any changes; sometimes a temporary dose reduction or an adjunctive medication is helpful.
Withdrawal Reactions
Withdrawal symptoms when stopping treatment are common, especially if Setaloft is stopped abruptly. The risk depends on the duration of treatment, the dose, and how quickly the dose is reduced. Symptoms typically appear within the first few days after stopping and usually resolve within 2 weeks. In some patients, symptoms may last longer (2–3 months or more). When discontinuing Setaloft, the dose should be reduced gradually over several weeks or months. Always discuss with your doctor the safest tapering plan for your situation.
Suicidal Thoughts and Worsening of Depression or Anxiety
If you suffer from depression or anxiety, you may sometimes have thoughts of self-harm or suicide. These thoughts can increase when you first start an antidepressant, because all antidepressants – including Setaloft – take time to work, usually around 2 weeks but sometimes longer.
You may be more likely to think this way if you:
- Have previously had thoughts of self-harm or suicide
- Are a young adult under 25 years of age. Clinical studies have shown an increased risk of suicidal behavior in young adults with psychiatric conditions treated with antidepressants
If you have thoughts of self-harm or suicide at any time, contact your doctor immediately or go to the nearest emergency department. It can be helpful to tell a relative or close friend that you are depressed or anxious, ask them to read this information, and let them tell you if they think your condition is getting worse or if they are worried about changes in your behavior.
Sexual Dysfunction
Medicines such as Setaloft (SSRIs and SNRIs) can cause sexual dysfunction, including decreased libido, delayed ejaculation, erectile difficulties, and anorgasmia. In some patients, these symptoms have persisted after discontinuation of treatment (post-SSRI sexual dysfunction, PSSD). If you experience sexual side effects, discuss them with your doctor; sometimes a dose reduction, a switch to an alternative agent, or an adjunctive medicine can help.
Pregnancy and Breastfeeding
If you are pregnant, breastfeeding, think you may be pregnant, or are planning to become pregnant, consult your doctor before taking Setaloft. The safety of sertraline during pregnancy has not been fully established. Setaloft should only be used during pregnancy if your doctor considers the benefit to you to outweigh the potential risks to the baby.
Use of SSRIs during the last three months of pregnancy may increase the risk of persistent pulmonary hypertension of the newborn (PPHN), a serious lung condition that causes the baby to breathe rapidly and appear bluish. Symptoms typically appear within 24 hours after birth. Newborns may also experience neonatal adaptation symptoms including breathing difficulties, feeding problems, irritability, tremor, muscle stiffness or limpness, jitteriness, and seizures. If your newborn has any of these symptoms, contact your doctor or midwife immediately.
Sertraline passes into breast milk in small amounts, but levels in the infant are usually very low. Setaloft can often be continued during breastfeeding under medical supervision, balancing the benefit of treatment for the mother against the small theoretical risk to the infant. Some animal studies have suggested that medicines like sertraline may reduce sperm quality, although no effect on human fertility has been demonstrated.
Children and Adolescents
Setaloft should generally not be used in children and adolescents under 18 years of age, except for the treatment of OCD. The risk of side effects such as suicidal behavior, self-harm thoughts, and hostility (aggression, defiance, anger) is greater in patients under 18. A long-term study of more than 900 children aged 6–16 followed for 3 years showed that children treated with sertraline generally develop normally, apart from a small weight gain in those treated with higher doses.
Driving and Operating Machinery
Psychotropic medicines like Setaloft may affect your ability to drive or operate machinery. Until you know how Setaloft affects your alertness, coordination, and reaction time, you should not drive or operate heavy machinery. Discuss with your doctor if you are unsure.
How Does Setaloft Interact with Other Drugs?
Setaloft interacts with several important medicines. It must never be combined with MAO inhibitors or pimozide due to the risk of life-threatening reactions. Many other medicines – including blood thinners, lithium, tramadol, St. John's Wort, NSAIDs, and triptans – require careful monitoring when taken with Setaloft. Always tell your doctor and pharmacist about every medicine, supplement, or herbal product you use.
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines, including those bought without a prescription, herbal remedies, or recreational substances. Some medicines change how Setaloft is metabolized in the liver, while Setaloft itself can affect the levels of other drugs through its effect on cytochrome P450 enzymes (mainly CYP2D6 and CYP3A4).
Major Interactions (Do Not Combine)
| Medication | Type | Risk |
|---|---|---|
| MAO inhibitors (selegiline, moclobemide, phenelzine, linezolid, methylene blue) | Antidepressants / Antibiotics / Dyes | Serotonin syndrome – potentially life-threatening. Mandatory washout period required (2 weeks before, 1 week after Setaloft). |
| Pimozide | Antipsychotic | Increased pimozide concentration, risk of serious cardiac arrhythmias (QT prolongation, torsades de pointes). |
Moderate Interactions (Use with Caution)
| Medication | Type | Effect |
|---|---|---|
| Warfarin and other anticoagulants | Blood thinners | Increased bleeding risk and potential rise in INR. INR monitoring is required, particularly when starting or stopping Setaloft. |
| Lithium | Mood stabilizer | Increased risk of serotonin syndrome and lithium toxicity. Monitor lithium levels and watch for tremor, confusion, and gastrointestinal symptoms. |
| Tramadol, fentanyl, pethidine | Opioid analgesics with serotonergic effects | Risk of serotonin syndrome and lowered seizure threshold. |
| Sumatriptan and other triptans | Migraine medications | Increased risk of serotonin syndrome, especially at higher Setaloft doses. |
| St. John's Wort (Hypericum perforatum) | Herbal supplement | Additive serotonergic effects and serotonin syndrome risk. Effects may persist 1–2 weeks after stopping the herb. |
| NSAIDs (ibuprofen, naproxen, aspirin) | Pain relievers / Anti-inflammatories | Increased risk of gastrointestinal and other bleeding when combined with Setaloft. Consider gastric protection. |
| Diazepam, alprazolam | Benzodiazepines | Setaloft may increase plasma levels of benzodiazepines metabolized by CYP3A4. |
| Phenytoin, carbamazepine | Antiepileptic drugs | Altered drug levels; therapeutic drug monitoring may be required. |
| Cimetidine, omeprazole | Acid reducers (PPIs, H2 blockers) | May increase Setaloft plasma concentrations through CYP enzyme inhibition. |
| Amphetamines, methylphenidate | Stimulants for ADHD | Risk of serotonin syndrome with strongly serotonergic stimulants. |
| Other antidepressants (fluoxetine, amitriptyline, venlafaxine, duloxetine) | SSRIs, SNRIs, TCAs | Additive serotonergic effects and serotonin syndrome risk; combinations should be avoided unless specialist-supervised. |
| QT-prolonging drugs (some antibiotics, antifungals, antipsychotics) | Various | Increased risk of QT prolongation and ventricular arrhythmias. |
Food, Alcohol and Lifestyle Interactions
Setaloft tablets may be taken with or without food. However, the following points are important:
- Alcohol: Should be avoided during treatment. Alcohol depresses the central nervous system and can amplify side effects such as drowsiness and dizziness, while also worsening underlying depression and anxiety
- Grapefruit juice: Should not be consumed regularly, as it inhibits the CYP3A4 enzyme and can increase Setaloft plasma levels
- Recreational drugs: Many recreational substances (including MDMA, cocaine, and certain hallucinogens) have serotonergic effects and can cause severe interactions with Setaloft
- Smoking and caffeine: Heavy caffeine intake may worsen anxiety symptoms; smoking does not significantly affect sertraline metabolism but may interact with other psychiatric medicines
What Is the Correct Dosage of Setaloft?
The usual effective dose of Setaloft for depression and OCD in adults is 50 mg once daily, which can be increased up to a maximum of 200 mg daily by a doctor (using multiple 50 mg tablets). For panic disorder, PTSD, and social anxiety, treatment usually starts at half a 50 mg tablet (25 mg) daily for one week before increasing to 50 mg. Setaloft should be taken once daily, in the morning or evening, with or without food.
Adults
| Condition | Starting Dose | Usual Dose | Maximum Dose |
|---|---|---|---|
| Major depression | 50 mg/day (1 tablet) | 50–100 mg/day | 200 mg/day |
| OCD | 50 mg/day | 50–200 mg/day | 200 mg/day |
| Panic disorder | 25 mg/day (half tablet) for 1 week | 50–200 mg/day | 200 mg/day |
| PTSD | 25 mg/day for 1 week | 50–200 mg/day | 200 mg/day |
| Social anxiety disorder | 25 mg/day for 1 week | 50–200 mg/day | 200 mg/day |
Doses may be titrated upwards in 50 mg increments at intervals of at least one week, allowing time for tolerability to be assessed. Your doctor will determine the appropriate dose and duration of treatment based on your diagnosis, severity of symptoms, and clinical response. Treatment for depression should usually continue for at least 6 months after symptoms have remitted, while OCD and PTSD often require longer maintenance therapy. Several weeks may pass before you notice meaningful improvement; do not stop treatment because you do not feel an immediate effect.
Children and Adolescents (OCD Only)
Setaloft is only approved for children and adolescents aged 6–17 years for the treatment of OCD. Because Setaloft tablets contain 50 mg, doses below 50 mg are achieved by halving a scored tablet:
- Children aged 6–12 years: Starting dose of 25 mg daily (half a Setaloft tablet), which may be increased to 50 mg daily after one week. Maximum dose: 200 mg daily
- Adolescents aged 13–17 years: Starting dose of 50 mg daily. Maximum dose: 200 mg daily
Treatment of children and adolescents should always be initiated and supervised by a specialist with experience in child and adolescent psychiatry.
Elderly Patients
The same dose range used in adults is generally appropriate for elderly patients, but caution is required because older adults are more susceptible to certain side effects, particularly hyponatremia (low blood sodium), bleeding, and orthostatic hypotension. The clinician may choose a slower titration and lower starting doses. Periodic monitoring of sodium levels and renal function is reasonable in older patients on long-term treatment.
Patients with Liver or Kidney Disease
If you have liver impairment, Setaloft should be used with caution because sertraline is extensively metabolized by the liver. A lower dose or longer dosing interval may be required, and use is not recommended in severe hepatic impairment. In renal impairment, no dose adjustment is generally required because sertraline is primarily eliminated by hepatic metabolism, but cautious dosing is still appropriate in advanced kidney disease.
How to Take Setaloft
Take Setaloft exactly as your doctor has instructed. Swallow the tablet whole with a glass of water, with or without food. The medicine can be taken either in the morning or in the evening – whichever fits best with your routine and tolerability. If Setaloft causes drowsiness, take it in the evening; if it causes insomnia, take it in the morning. Try to take it at the same time each day to maintain steady plasma concentrations. The 50 mg tablet has a score line and can be divided into two equal halves to allow for 25 mg dosing or for tapering.
Missed Dose
If you forget to take a dose, take it as soon as you remember – unless it is almost time for the next dose. Do not take a double dose to make up for the missed one; doing so increases the risk of side effects without additional benefit. If you frequently forget doses, consider setting a daily phone alarm or using a pill organizer.
Overdose
If you take too much Setaloft, contact your doctor immediately or go to the nearest emergency department. Always bring the medication packaging with you so the medical team can identify the dose. Symptoms of sertraline overdose may include drowsiness, nausea and vomiting, rapid heartbeat (tachycardia), tremor, agitation, dizziness, and in rare cases QT prolongation, seizures, or loss of consciousness. Sertraline has a wide therapeutic index, and most pure sertraline overdoses recover with supportive care, but co-ingestion with other medicines or alcohol substantially increases the risk of severe toxicity.
What Are the Side Effects of Setaloft?
Like all medicines, Setaloft can cause side effects, although not everyone experiences them. The most common is nausea, particularly in the first 1–2 weeks. Most side effects are dose-dependent and tend to improve or resolve with continued treatment. Serious side effects such as serotonin syndrome, severe skin reactions, suicidal thoughts, or signs of liver damage require immediate medical attention.
Severe skin rash with blisters or peeling (Stevens-Johnson syndrome), allergic reaction with swelling of the face/lips/tongue or difficulty breathing, symptoms of serotonin syndrome (confusion, rapid heart rate, high blood pressure, fever, muscle twitching, hyperreflexia), yellowing of the skin or eyes (possible liver damage), unusual bleeding or bruising, or thoughts of self-harm or suicide.
Very Common
Affects more than 1 in 10 people
- Nausea
- Headache
- Insomnia
- Diarrhea
- Dizziness
- Drowsiness (somnolence)
- Dry mouth
- Delayed ejaculation
- Fatigue
Common
Affects 1 in 10 to 1 in 100 people
- Decreased or increased appetite
- Anxiety, agitation, nervousness
- Decreased libido, nightmares, vivid dreams
- Teeth grinding (bruxism)
- Tremor, muscle tension, paraesthesia (tingling)
- Visual disturbances, tinnitus (ringing in the ears)
- Palpitations, hot flushes, yawning
- Abdominal pain, constipation, vomiting, flatulence
- Excessive sweating, rash
- Back pain, joint pain, muscle pain
- Erectile dysfunction, irregular menstruation
- Weight gain or weight loss, chest pain, weakness, fever
Uncommon
Affects 1 in 100 to 1 in 1,000 people
- Suicidal thoughts, psychotic disorder, hallucinations
- Aggression, euphoria, paranoia, apathy
- Memory impairment, involuntary muscle contractions, fainting
- Migraine, seizures, abnormal coordination
- Dilated pupils, ear pain
- Rapid heartbeat, high blood pressure
- Bleeding problems, nosebleeds, blood in urine
- Shortness of breath, difficulty swallowing
- Hives, hair loss, itching, facial swelling
- Frequent urination, urinary incontinence
- Sexual dysfunction in women, vaginal bleeding
- Leg swelling, chills, difficulty walking, increased thirst
Rare
Affects 1 in 1,000 to 1 in 10,000 people
- Reduced platelet or white blood cell count
- Severe allergic reaction (anaphylaxis), angioedema
- High cholesterol, new-onset diabetes, low blood sugar
- Coma, abnormal involuntary movements, sudden severe headache
- Glaucoma (acute angle closure), double vision, unequal pupil size
- Heart attack, abnormal heart rhythm, slow heartbeat
- Pancreatitis, liver dysfunction, jaundice, hepatitis
- Photosensitivity (skin reaction to sunlight), rhabdomyolysis
- Prolonged or painful erection (priapism), galactorrhoea, breast enlargement
- Interstitial lung disease, severe skin reactions (Stevens-Johnson syndrome, toxic epidermal necrolysis)
- SIADH (syndrome of inappropriate antidiuretic hormone secretion)
Side Effects in Children and Adolescents
In clinical studies of children and adolescents, the side effect profile was generally similar to adults. The most common adverse events in children and adolescents on sertraline were headache, insomnia, diarrhea, and nausea. Decreased appetite, weight loss, agitation, and changes in sexual function or behavior have also been reported. Treatment of patients under 18 should always be supervised by a specialist with experience in pediatric psychiatry.
Withdrawal Symptoms
If you suddenly stop taking Setaloft, you may experience discontinuation symptoms including dizziness, sensory disturbances ("electric shock" sensations or "brain zaps"), sleep disturbances, agitation or anxiety, headache, nausea, vomiting, sweating, and tremor. These symptoms can be minimized by gradually reducing the dose under your doctor's supervision. Setaloft has a moderate risk of discontinuation syndrome compared with other SSRIs (it is generally less problematic than paroxetine but more so than fluoxetine, which has a long half-life).
An increased risk of bone fractures has been observed in patients taking SSRIs, including sertraline. The mechanism is thought to involve effects on bone remodeling. If you have risk factors for osteoporosis (postmenopausal status, previous fragility fracture, long-term corticosteroid use), discuss bone health monitoring with your doctor.
How Should You Store Setaloft?
Store Setaloft at room temperature (below 30 °C / 86 °F) in the original packaging, out of the reach and sight of children. Do not use Setaloft after the expiry date printed on the carton or blister. Do not dispose of unused or expired tablets via wastewater or household waste – return them to your pharmacy.
Keep Setaloft out of the reach and sight of children. Do not use the medicine after the expiry date stated on the carton and blister pack after "EXP." The expiry date refers to the last day of that month. No special temperature storage conditions are required for Setaloft film-coated tablets. Store in the original packaging to protect from moisture and light.
Do not throw medicines down the drain or into household waste. Ask your pharmacist how to dispose of medicines that you no longer use. These measures help protect the environment by preventing pharmaceutical residues from entering the water system.
What Does Setaloft Contain?
Each Setaloft film-coated tablet contains sertraline hydrochloride as the active ingredient, equivalent to 50 mg of sertraline. The tablet core typically contains hydroxypropyl cellulose, microcrystalline cellulose, sodium starch glycolate, calcium hydrogen phosphate dihydrate, and magnesium stearate. The film coating consists of titanium dioxide (E171), hypromellose, macrogol 400, and polysorbate 80.
Active Ingredient
The active substance in Setaloft is sertraline hydrochloride. Each film-coated tablet contains an amount of sertraline hydrochloride equivalent to 50 mg of sertraline (calculated as the free base). Sertraline is a chiral molecule of the naphthylamine class and is supplied as the (+)-(1S,4S) enantiomer.
Inactive Ingredients (Excipients)
Tablet core: Hydroxypropyl cellulose, microcrystalline cellulose, sodium starch glycolate (Type A), calcium hydrogen phosphate dihydrate, and magnesium stearate.
Film coating: Titanium dioxide (E171), hypromellose, macrogol 400, and polysorbate 80.
Setaloft 50 mg tablets are typically white to off-white, capsule-shaped, biconvex film-coated tablets with a score line on one side. The score line allows the tablet to be divided into two equal halves of 25 mg, which is useful for starting low doses in panic disorder, PTSD, and social anxiety, or for tapering at the end of treatment. Setaloft contains less than 1 mmol (23 mg) sodium per tablet, meaning it is essentially "sodium-free." Excipients may vary slightly between manufacturers; always consult the patient information leaflet supplied with your specific pack.
Frequently Asked Questions About Setaloft
Setaloft (sertraline) typically begins to show some effects within 1–2 weeks, but it usually takes 4–6 weeks of consistent daily use to experience the full therapeutic benefit. For OCD, the response may take 8–12 weeks to develop fully. It is important to continue taking Setaloft as prescribed even if you do not notice immediate improvement. Your doctor will monitor your progress and may adjust the dose if needed.
No, alcohol should be avoided while taking Setaloft. Both substances depress the central nervous system, and combining them can intensify side effects such as drowsiness, dizziness, and impaired coordination. Alcohol can also worsen depression and anxiety symptoms, counteracting the therapeutic effects of Setaloft. If you have questions about alcohol consumption during treatment, speak with your doctor.
If you forget a dose, take it as soon as you remember – unless it is nearly time for your next dose. Do not take a double dose to make up for the missed one. Doubling up increases the risk of side effects without providing additional therapeutic benefit. If you frequently forget doses, consider setting a daily reminder on your phone or using a weekly pill organizer.
The safety of sertraline during pregnancy has not been fully established. Setaloft should only be used when the potential benefit to the mother outweighs the possible risks to the baby. Use during the third trimester may increase the risk of persistent pulmonary hypertension of the newborn (PPHN) and neonatal adaptation symptoms. Sertraline is generally considered one of the safer SSRIs during breastfeeding, as the amount transferred to the infant via milk is very small. Decisions about treatment in pregnancy or while breastfeeding should always be made together with your doctor.
No, never stop Setaloft abruptly. Sudden discontinuation can cause withdrawal symptoms including dizziness, "electric shock" sensations, sleep disturbances, vivid dreams, agitation, anxiety, headache, nausea, vomiting, and tremor. These symptoms are usually mild to moderate but can be severe in some patients. Your doctor will recommend gradually reducing the dose over a period of several weeks or months. The 50 mg tablet's score line allows safe halving for tapering. Always discuss any changes to your medication with your doctor before making them.
Yes – Setaloft, Zoloft, Lustral, and the various generic sertraline products all contain the same active ingredient, sertraline, and at the same strength they are therapeutically equivalent. Differences between brands are limited to inactive ingredients (excipients), tablet appearance, and price. If you have a known allergy to a specific excipient, this can occasionally make one brand more suitable than another. Pharmacists may substitute one brand of sertraline for another according to local regulations.
Weight changes with Setaloft are variable. Some people experience modest weight gain over months to years of treatment, while others lose weight, particularly during the early weeks when nausea is common. On average, weight changes with sertraline are smaller than with some other antidepressants such as mirtazapine or paroxetine. If you notice unwanted weight changes, discuss them with your doctor – lifestyle measures, dose adjustment, or switching to a different agent may help.
References and Sources
This article is based on the following peer-reviewed sources and international guidelines. All medical claims are supported by evidence level 1A (systematic reviews and randomized controlled trials) wherever possible.
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- European Medicines Agency (EMA). Sertraline – Summary of Product Characteristics (SmPC). EMA; 2024. Reference prescribing information for the European Union.
- U.S. Food and Drug Administration (FDA). Zoloft (sertraline hydrochloride) – Prescribing Information. FDA; 2024. Complete United States prescribing information for sertraline.
- National Institute for Health and Care Excellence (NICE). Depression in adults: treatment and management. NICE guideline [NG222]. NICE; 2022, updated 2024.
- Cipriani A, Furukawa TA, Salanti G, et al. Comparative efficacy and acceptability of 21 antidepressant drugs for the acute treatment of adults with major depressive disorder: a systematic review and network meta-analysis. Lancet. 2018;391(10128):1357-1366. doi:10.1016/S0140-6736(17)32802-7
- British National Formulary (BNF). Sertraline. NICE BNF; 2025. Drug monograph with dosing, interactions, and adverse effects.
- Soomro GM, Altman DG, Rajagopal S, Oakley-Browne M. Selective serotonin re-uptake inhibitors (SSRIs) versus placebo for obsessive compulsive disorder (OCD). Cochrane Database Syst Rev. 2008;(1):CD001765.
- Stein DJ, Ipser JC, Seedat S. Pharmacotherapy for post traumatic stress disorder (PTSD). Cochrane Database Syst Rev. 2006;(1):CD002795.
- Hetrick SE, McKenzie JE, Bailey AP, et al. New generation antidepressants for depression in children and adolescents: a network meta-analysis. Cochrane Database Syst Rev. 2021;(5):CD013674.
- Royal Australian and New Zealand College of Psychiatrists (RANZCP). Clinical Practice Guidelines for Mood Disorders. RANZCP; 2020 update.
About the Medical Editorial Team
This article was written and reviewed by the iMedic Medical Editorial Team, consisting of licensed specialist physicians with expertise in clinical pharmacology, psychiatry, and evidence-based medicine.
All content is reviewed by board-certified physicians following international guidelines (WHO, EMA, FDA, BNF, NICE) and the GRADE evidence framework.
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Last medical review: | Published: | Evidence level: 1A (Systematic reviews and RCTs) | Next scheduled review: