Aprovel (Irbesartan)
Angiotensin II Receptor Blocker (ARB) for Hypertension & Diabetic Nephropathy
Aprovel contains the active ingredient irbesartan, an angiotensin II receptor blocker (ARB) used to treat high blood pressure and to protect the kidneys in patients with type 2 diabetes. By blocking angiotensin II from binding to receptors in blood vessel walls, Aprovel causes blood vessels to relax and blood pressure to decrease. It is taken once daily as a tablet and is available in 75 mg, 150 mg, and 300 mg strengths. Also sold under brand names including Ifirmasta, Irbesartan Actavis, Irbesartan STADA, Irbesartan Accord, and Irbesartan Sandoz.
Quick Facts
Key Takeaways
- Aprovel (irbesartan) is an angiotensin II receptor blocker (ARB) that lowers blood pressure by relaxing blood vessels, reducing the workload on the heart.
- In addition to treating hypertension, Aprovel slows the progression of kidney disease in patients with type 2 diabetes and high blood pressure.
- The usual starting dose is 150 mg once daily, which may be increased to 300 mg depending on blood pressure response; maximum effect is reached within 4–6 weeks.
- Aprovel must not be used during pregnancy (especially the last 6 months), with aliskiren in diabetic patients, or in combination with ACE inhibitors in patients with diabetic kidney disease.
- Common side effects include dizziness, nausea, and fatigue; regular monitoring of kidney function and potassium levels is recommended during treatment.
What Is Aprovel and What Is It Used For?
Aprovel belongs to a class of medicines called angiotensin II receptor antagonists (also known as ARBs or sartans). Angiotensin II is a naturally occurring substance in the body that binds to specific receptors (AT1 receptors) in blood vessel walls, causing them to constrict. This vasoconstriction leads to increased blood pressure. Aprovel works by selectively blocking the binding of angiotensin II to these receptors, which causes the blood vessels to relax and dilate, thereby reducing blood pressure.
In addition to its blood pressure-lowering effects, irbesartan also reduces the secretion of aldosterone, a hormone that promotes sodium and water retention in the kidneys. By decreasing aldosterone levels, Aprovel helps reduce fluid retention and further contributes to lowering blood pressure. This dual mechanism makes it particularly effective in managing hypertension and its associated complications.
Aprovel is approved for use in adult patients for two primary indications. The first is the treatment of essential hypertension (high blood pressure that has no identifiable cause), which affects approximately 1.3 billion people worldwide according to the World Health Organization. Uncontrolled hypertension is a leading risk factor for stroke, heart attack, heart failure, and chronic kidney disease. By effectively lowering blood pressure, Aprovel helps reduce the risk of these serious cardiovascular events.
The second approved indication is renal protection in patients with hypertension and type 2 diabetes who have laboratory evidence of impaired kidney function (diabetic nephropathy). The landmark IDNT (Irbesartan Diabetic Nephropathy Trial) demonstrated that irbesartan 300 mg significantly reduced the risk of doubling of serum creatinine, end-stage renal disease, or death from any cause compared to placebo. This nephroprotective effect is partly independent of the blood pressure-lowering action and is related to the reduction of intraglomerular pressure and proteinuria.
Irbesartan reaches peak plasma concentration within approximately 1.5 to 2 hours after oral administration. It has a half-life of 11 to 15 hours, which supports convenient once-daily dosing. The medication is well absorbed from the gastrointestinal tract and does not require dose adjustment based on food intake. Steady-state plasma concentrations are achieved within 3 days of initiating therapy.
What Should You Know Before Taking Aprovel?
Contraindications
There are specific circumstances in which Aprovel should not be taken. Understanding these contraindications is essential for safe use of this medication:
- You are allergic to irbesartan or any of the other ingredients in the tablets (lactose monohydrate, microcrystalline cellulose, croscarmellose sodium, hypromellose, silicon dioxide, magnesium stearate, titanium dioxide, macrogol 3000, or carnauba wax).
- You are more than 3 months pregnant. Aprovel should also be avoided during early pregnancy whenever possible.
- You have diabetes or impaired kidney function and are being treated with a blood pressure-lowering medicine containing aliskiren.
Warnings and Precautions
Before starting treatment with Aprovel, it is important to discuss your complete medical history with your healthcare provider. Several conditions and situations require special attention and monitoring during treatment:
If you experience severe vomiting or diarrhea, you should inform your doctor. These conditions can lead to dehydration and reduced blood volume, which may cause your blood pressure to drop too low when combined with Aprovel. Your doctor may need to adjust your dose or temporarily discontinue the medication until you have recovered.
Patients with kidney problems require careful monitoring during treatment. Your doctor will regularly check your kidney function through blood tests, particularly measuring serum creatinine and estimated glomerular filtration rate (eGFR). In patients with severe renal impairment, the initial dose may need to be lower, and more frequent monitoring is necessary.
If you have heart problems, including heart failure, coronary artery disease, or recent heart attack, your doctor needs to be aware before prescribing Aprovel. While ARBs are generally well-tolerated in patients with cardiovascular disease, careful dose titration and monitoring are important in these populations.
Patients receiving Aprovel for diabetic kidney disease should expect regular blood tests. Your doctor will particularly monitor potassium levels in the blood, as irbesartan can cause potassium levels to rise (hyperkalemia), especially in patients with already compromised kidney function. Elevated potassium can cause dangerous heart rhythm disturbances if left unchecked.
If you develop low blood sugar levels (hypoglycemia) — symptoms may include sweating, weakness, hunger, dizziness, trembling, headache, flushing or pallor, numbness, or a rapid pounding heartbeat — consult your doctor, especially if you are being treated for diabetes. Irbesartan may interact with certain diabetes medications.
If you are scheduled for surgery or anesthesia, inform your surgeon or anesthesiologist that you are taking Aprovel. ARBs can interact with anesthetic agents and may increase the risk of intraoperative hypotension. Your healthcare team will determine whether you should continue or temporarily stop the medication before the procedure.
Your doctor should regularly monitor your kidney function, blood pressure, and electrolyte levels (particularly potassium) throughout your treatment with Aprovel. If you experience persistent abdominal pain, nausea, vomiting, or diarrhea after taking Aprovel, consult your doctor. Do not stop taking Aprovel on your own without medical guidance.
Dual Blockade of the Renin-Angiotensin System
Aprovel should not be combined with an ACE inhibitor (such as enalapril, lisinopril, or ramipril), particularly in patients with diabetic kidney disease. This combination, known as dual blockade of the renin-angiotensin system, has been shown in clinical trials to increase the risk of hypotension, hyperkalemia, and acute kidney injury without providing additional cardiovascular or renal benefits. Similarly, the combination of Aprovel with aliskiren is contraindicated in patients with diabetes or moderate-to-severe renal impairment.
Pregnancy and Breastfeeding
Pregnancy: If you suspect you are pregnant or become pregnant during treatment, contact your doctor immediately. Your doctor will typically advise you to stop taking Aprovel before becoming pregnant, or as soon as you know you are pregnant, and will recommend a safer alternative medication. Aprovel should be avoided during early pregnancy and must not be used during the last 6 months of pregnancy, as it can cause serious harm to the developing fetus, including injury to the kidneys, reduced amniotic fluid (oligohydramnios), skull bone malformations, and potentially fetal death.
Breastfeeding: Inform your doctor if you are breastfeeding or plan to start breastfeeding. Aprovel is not recommended during breastfeeding because it is not known whether irbesartan passes into breast milk. Your doctor may choose an alternative treatment if you wish to breastfeed your baby, particularly if the baby is a newborn or was born prematurely.
Children and Adolescents
Aprovel should not be used in children and adolescents under 18 years of age. The safety and efficacy of irbesartan have not been fully established in this age group. If a child accidentally swallows Aprovel tablets, seek medical attention immediately.
Driving and Using Machines
Aprovel is unlikely to affect your ability to drive or operate machinery. However, dizziness or fatigue may occasionally occur during treatment, particularly when first starting the medication or after a dose increase. If you experience these symptoms, do not drive or operate machinery until the effects subside, and discuss with your doctor.
Important Information About Ingredients
Aprovel tablets contain lactose. If you have been told by your doctor that you have an intolerance to certain sugars (such as lactose), consult your doctor before taking this medicine. Aprovel also contains sodium, but less than 1 mmol (23 mg) per tablet, meaning it is essentially sodium-free.
How Does Aprovel Interact with Other Drugs?
Drug interactions can alter the way Aprovel works or increase the risk of side effects. It is essential to tell your doctor or pharmacist about all medications you are currently taking, have recently taken, or might take. Your doctor may need to adjust your dosage or take additional precautions to ensure safe and effective treatment.
Major Interactions
The following interactions are clinically significant and may require dose adjustments, close monitoring, or avoidance of the combination altogether:
| Interacting Drug | Effect | Recommendation |
|---|---|---|
| ACE Inhibitors (enalapril, lisinopril, ramipril) | Increased risk of hypotension, hyperkalemia, and kidney injury (dual RAAS blockade) | Avoid combination, especially in diabetic kidney disease |
| Aliskiren | Increased risk of hypotension, hyperkalemia, and renal impairment | Contraindicated in patients with diabetes or renal impairment |
| Potassium supplements or potassium-containing salt substitutes | Dangerously elevated potassium levels (hyperkalemia) | Use with caution; regular blood tests required |
| Potassium-sparing diuretics (spironolactone, eplerenone, amiloride, triamterene) | Increased risk of hyperkalemia | Monitor potassium levels closely if combination is necessary |
| Lithium | Increased lithium blood levels, risk of toxicity | Monitor lithium levels; dose adjustment may be needed |
Minor Interactions
The following interactions are less severe but may still affect treatment outcomes and should be discussed with your healthcare provider:
| Interacting Drug | Effect | Recommendation |
|---|---|---|
| NSAIDs (ibuprofen, naproxen, diclofenac) | May reduce the blood pressure-lowering effect of irbesartan; increased risk of kidney impairment | Use shortest duration possible; monitor blood pressure and kidney function |
| Repaglinide (diabetes medication) | Irbesartan may increase repaglinide blood levels, increasing risk of hypoglycemia | Blood glucose monitoring recommended; dose adjustment may be needed |
Aprovel can be taken with or without food. There are no specific dietary restrictions, but patients should maintain a balanced diet and avoid excessive intake of potassium-rich foods (bananas, oranges, potatoes, spinach) if they are already at risk of elevated potassium levels.
What Is the Correct Dosage of Aprovel?
Always take Aprovel exactly as your doctor has instructed. If you are unsure about anything, consult your doctor or pharmacist. Aprovel is taken by mouth — swallow the tablets whole with a sufficient amount of liquid (for example, a glass of water). You can take Aprovel with or without food. Try to take your daily dose at approximately the same time each day to help you remember and maintain consistent blood levels.
Adults
Hypertension (High Blood Pressure)
The usual starting dose is 150 mg once daily. Depending on the blood pressure response, your doctor may increase the dose to 300 mg once daily. The maximum blood pressure reduction is typically achieved within 4 to 6 weeks of starting treatment. It is important to continue taking Aprovel as directed, even if you feel well, because hypertension usually has no symptoms.
Hypertension with Type 2 Diabetes and Kidney Disease (Diabetic Nephropathy)
The preferred maintenance dose is 300 mg once daily. This higher dose has been shown in clinical trials (IDNT study) to provide optimal renal protection by reducing proteinuria and slowing the progression of kidney disease.
Special Populations
Your doctor may prescribe a lower initial dose in certain situations, including:
- Patients undergoing hemodialysis (kidney dialysis)
- Patients older than 75 years
- Patients with volume or salt depletion (e.g., those taking high-dose diuretics)
Children
Aprovel should not be given to children under 18 years of age, as its safety and effectiveness have not been established in this age group. If a child accidentally swallows any tablets, contact a doctor immediately.
Elderly
Dose adjustment is generally not required for elderly patients. However, patients over 75 years of age may be started on a lower dose as a precaution, and blood pressure should be monitored more closely during the initial treatment period.
Missed Dose
If you accidentally miss a dose, simply take your next dose at the regular time. Do not take a double dose to compensate for a missed tablet. Consistency in daily dosing helps maintain stable blood pressure control.
Overdose
If you accidentally take too many Aprovel tablets, contact a doctor or go to the nearest emergency department immediately. Overdose symptoms may include severe low blood pressure (hypotension), dizziness, fainting, and rapid heartbeat. Bring the medicine packaging with you so healthcare providers know exactly what you have taken.
What Are the Side Effects of Aprovel?
As with all medications, Aprovel may cause unwanted effects. Most side effects are mild to moderate and often improve as your body adjusts to the treatment. However, some side effects can be serious and require prompt medical attention. Understanding the frequency and nature of potential side effects helps you know when to seek medical advice.
Allergic skin reactions (rash, hives), swelling of the face, lips, tongue, or throat, or difficulty breathing. Stop taking Aprovel and contact your doctor or emergency services immediately. These symptoms, although rare, may indicate a serious allergic reaction (angioedema or anaphylaxis).
Very Common
May affect more than 1 in 10 patients
- Elevated potassium levels in blood tests (in patients with hypertension and type 2 diabetes with kidney disease)
Common
May affect up to 1 in 10 patients
- Dizziness
- Nausea and/or vomiting
- Fatigue
- Elevated creatine kinase (CK) levels in blood tests
- Orthostatic dizziness (when standing up) — primarily in diabetic kidney disease patients
- Low blood pressure upon standing (orthostatic hypotension) — primarily in diabetic kidney disease patients
- Joint or muscle pain — primarily in diabetic kidney disease patients
- Decreased hemoglobin levels — primarily in diabetic kidney disease patients
Uncommon
May affect up to 1 in 100 patients
- Heart palpitations
- Flushing
- Cough
- Diarrhea
- Indigestion / heartburn
- Sexual dysfunction
- Chest pain
- Jaundice (yellowing of the skin and/or whites of the eyes)
Rare
May affect up to 1 in 1,000 patients
- Intestinal angioedema: swelling in the intestine with symptoms including abdominal pain, nausea, vomiting, and diarrhea
Not Known
Frequency cannot be estimated from available data (post-marketing reports)
- Dizziness, headache
- Taste disturbances (dysgeusia)
- Tinnitus (ringing in the ears)
- Muscle cramps, joint and muscle pain
- Anemia (decreased red blood cell count) — symptoms may include tiredness, breathlessness during exercise, and pallor
- Decreased platelet count (thrombocytopenia)
- Liver function abnormalities (hepatitis)
- Elevated blood potassium levels (hyperkalemia)
- Impaired kidney function
- Leukocytoclastic vasculitis (inflammation of small blood vessels, mainly affecting the skin)
- Severe allergic reactions (anaphylactic shock)
- Low blood sugar levels (hypoglycemia)
If you experience any side effects, including those not listed above, talk to your doctor or pharmacist. You can also report side effects directly to your national medicines regulatory authority (e.g., the FDA in the United States, the MHRA in the United Kingdom, or the EMA for European countries). Reporting side effects helps provide more information on the safety of this medicine.
How Should You Store Aprovel?
Proper storage of your medication ensures it remains effective and safe to use throughout its shelf life. Follow these guidelines to store Aprovel correctly:
- Temperature: Store at temperatures not exceeding 30°C (86°F). Do not freeze.
- Children: Keep this medicine out of the sight and reach of children at all times.
- Expiry date: Do not use Aprovel after the expiry date stated on the carton and blister pack after “EXP.” The expiry date refers to the last day of that month.
- Disposal: Do not dispose of medicines via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures help to protect the environment.
What Does Aprovel Contain?
Each Aprovel tablet contains a precise amount of the active ingredient irbesartan, along with inactive ingredients (excipients) that help form the tablet and protect its stability.
Active Substance
The active substance is irbesartan. Each Aprovel 75 mg film-coated tablet contains 75 mg of irbesartan, and each Aprovel 150 mg film-coated tablet contains 150 mg of irbesartan. A 300 mg strength is also available for patients requiring a higher dose.
Other Ingredients
The tablet core contains: lactose monohydrate, microcrystalline cellulose, croscarmellose sodium, hypromellos, silicon dioxide, and magnesium stearate. The film coating contains: titanium dioxide, macrogol 3000, and carnauba wax.
Appearance and Pack Sizes
Aprovel 75 mg tablets are white to off-white, biconvex, oval-shaped film-coated tablets with a heart symbol embossed on one side and the number 2871 on the other side. They are available in blister packs of 14, 28, 30, 56, 84, 90, and 98 tablets. Unit-dose blister packs of 56 x 1 film-coated tablets are also available for hospital use. Not all pack sizes may be marketed in your country.
Frequently Asked Questions About Aprovel
Aprovel (irbesartan) is used to treat high blood pressure (essential hypertension) in adults. It is also used to protect the kidneys in patients who have both high blood pressure and type 2 diabetes with laboratory-confirmed kidney disease. Irbesartan works by blocking angiotensin II receptors, relaxing blood vessels and lowering blood pressure. It is taken once daily as a tablet and is available in 75 mg, 150 mg, and 300 mg strengths.
No. Aprovel should not be used during pregnancy, especially during the last 6 months, as it can cause serious harm to the unborn baby, including kidney damage, reduced amniotic fluid, and skull malformations. It is also best avoided during early pregnancy. If you discover you are pregnant while taking Aprovel, contact your doctor immediately so they can switch you to a safer alternative antihypertensive medication.
Common side effects of Aprovel include dizziness, nausea or vomiting, fatigue, and elevated creatine kinase levels in blood tests. In patients with high blood pressure and diabetic kidney disease, orthostatic dizziness (when standing up), low blood pressure upon standing, joint or muscle pain, and decreased hemoglobin may also occur. Most side effects are mild and often improve as your body adjusts to the medication. If any side effects persist or worsen, consult your doctor.
Aprovel begins to lower blood pressure within a few hours of the first dose. However, the maximum blood pressure reduction is typically achieved within 4 to 6 weeks of starting treatment. It is important to continue taking the medication as prescribed, even if you feel well, because high blood pressure often has no noticeable symptoms. Your doctor will monitor your blood pressure to determine whether dose adjustments are needed.
Aprovel can be combined with certain other blood pressure medications, such as thiazide diuretics (e.g., hydrochlorothiazide) or calcium channel blockers (e.g., amlodipine), under medical supervision. However, it should not be combined with ACE inhibitors (like enalapril, lisinopril, or ramipril) or aliskiren, especially in patients with diabetes or kidney problems. This dual blockade of the renin-angiotensin system increases the risk of serious side effects including dangerously low blood pressure, high potassium levels, and kidney damage.
If you miss a dose of Aprovel, simply take the next dose at the usual time. Do not take a double dose to make up for a missed one. To help you remember, try to take your medication at the same time each day. If you frequently forget doses, consider setting a daily alarm or using a pill organizer. Consistent daily dosing is important for maintaining stable blood pressure control.
References
This article is based on approved prescribing information, international clinical guidelines, and peer-reviewed medical literature. All sources are independent and free from commercial influence.
- European Medicines Agency (EMA). Aprovel — Summary of Product Characteristics. EMA Aprovel EPAR. Last updated 2026.
- Williams B, Mancia G, Spiering W, et al. 2018 ESC/ESH Guidelines for the management of arterial hypertension. European Heart Journal. 2018;39(33):3021–3104. doi:10.1093/eurheartj/ehy339
- Lewis EJ, Hunsicker LG, Clarke WR, et al. Renoprotective effect of the angiotensin-receptor antagonist irbesartan in patients with nephropathy due to type 2 diabetes (IDNT). New England Journal of Medicine. 2001;345(12):851–860. doi:10.1056/NEJMoa011303
- World Health Organization (WHO). WHO Model List of Essential Medicines — 23rd List (2023). WHO Essential Medicines.
- Whelton PK, Carey RM, Aronow WS, et al. 2017 ACC/AHA Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults. Journal of the American College of Cardiology. 2018;71(19):e127–e248. doi:10.1016/j.jacc.2017.11.006
- National Institute for Health and Care Excellence (NICE). Hypertension in adults: diagnosis and management. NICE guideline [NG136]. Updated 2022. NICE NG136.
- British National Formulary (BNF). Irbesartan — Indications, dose, contraindications, side-effects. BNF Irbesartan.
- Parving HH, Lehnert H, Bröchner-Mortensen J, et al. The effect of irbesartan on the development of diabetic nephropathy in patients with type 2 diabetes (IRMA 2). New England Journal of Medicine. 2001;345(12):870–878. doi:10.1056/NEJMoa011489
Editorial Team
This article has been written and reviewed by the iMedic Medical Editorial Team, comprising licensed physicians specializing in cardiology, nephrology, clinical pharmacology, and internal medicine.
Medical Content Team
Specialists in cardiovascular medicine, nephrology, and clinical pharmacology with documented academic backgrounds and clinical experience in hypertension management and diabetic kidney disease.
Medical Review Board
Independent panel of board-certified physicians who review all medication content according to international guidelines (ESC/ESH, AHA/ACC, NICE, WHO) and the GRADE evidence framework.
Editorial Standards: All content follows our editorial standards and is based on peer-reviewed research, international clinical guidelines, and approved prescribing information. We maintain complete editorial independence with no pharmaceutical sponsorship or advertising.
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