Cefixime FrostPharma
Third-generation cephalosporin antibiotic — oral suspension 20 mg/ml
Cefixime FrostPharma is a prescription antibiotic belonging to the third-generation cephalosporin class. It is used to treat a range of bacterial infections in adults and children older than 6 months, including sinusitis, middle ear infections, throat infections, urinary tract infections, and community-acquired pneumonia. Available as granules for oral suspension (20 mg/ml after reconstitution), it offers a convenient once-daily or twice-daily dosing regimen.
Quick Facts
Key Takeaways
- Cefixime FrostPharma is a third-generation cephalosporin antibiotic effective against a broad range of Gram-negative and some Gram-positive bacteria.
- It is approved for sinusitis, otitis media, pharyngitis/tonsillitis, acute bronchitis exacerbations, community-acquired pneumonia, and urinary tract infections.
- Adults take 400 mg once daily or 200 mg twice daily; children receive 8 mg/kg/day (maximum 400 mg/day).
- Do not take cefixime if you have a history of severe allergic reactions to penicillin, cephalosporins, or other beta-lactam antibiotics.
- Always complete the full prescribed course of treatment, even if symptoms improve, to prevent antibiotic resistance.
What Is Cefixime FrostPharma and What Is It Used For?
Quick Answer: Cefixime FrostPharma is an oral cephalosporin antibiotic containing cefixime trihydrate. It kills bacteria by disrupting their cell wall synthesis and is prescribed for common bacterial infections of the respiratory tract, urinary tract, and ears.
Cefixime FrostPharma contains the active substance cefixime, a third-generation cephalosporin antibiotic. Cephalosporins are a well-established class of beta-lactam antibiotics that work by inhibiting bacterial cell wall synthesis. Cefixime specifically targets penicillin-binding proteins (PBPs) in susceptible bacteria, disrupting the final stage of peptidoglycan cross-linking. This leads to cell wall instability, osmotic lysis, and ultimately bacterial death.
Compared to first- and second-generation cephalosporins, cefixime offers an extended spectrum of activity against Gram-negative organisms, including many strains of Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Haemophilus influenzae, Moraxella catarrhalis, and Neisseria gonorrhoeae. It also retains activity against certain Gram-positive organisms such as Streptococcus pneumoniae and Streptococcus pyogenes (Group A Streptococcus).
Cefixime FrostPharma is approved for use in children older than 6 months, adolescents, and adults for the treatment of the following bacterial infections:
- Acute bacterial sinusitis — infection of the paranasal sinuses, typically caused by S. pneumoniae, H. influenzae, or M. catarrhalis
- Acute otitis media — middle ear infection, one of the most common childhood infections requiring antibiotic treatment
- Pharyngitis and tonsillitis — throat infections caused by susceptible bacteria, particularly Streptococcus pyogenes
- Acute exacerbations of chronic bronchitis — bacterial infections causing a sudden worsening of symptoms in patients with pre-existing chronic bronchitis
- Community-acquired pneumonia — lung infection contracted outside a hospital setting
- Urinary tract infections — including uncomplicated lower urinary tract infections (cystitis) and certain upper urinary tract infections (pyelonephritis)
As an oral antibiotic available in suspension form, cefixime is particularly well-suited for patients who have difficulty swallowing tablets, including young children and elderly patients. The oral bioavailability of cefixime is approximately 40–50%, and it achieves therapeutic concentrations in most target tissues. With a serum half-life of approximately 3–4 hours, it supports once-daily or twice-daily dosing for convenient administration.
Cefixime should only be used to treat infections confirmed or strongly suspected to be caused by susceptible bacteria. Inappropriate use of antibiotics, including using them for viral infections, contributes to the global problem of antibiotic resistance. The World Health Organization (WHO) lists antibiotic resistance as one of the top ten threats to global public health. Always follow your prescriber’s instructions regarding dose and duration of treatment.
What Should You Know Before Taking Cefixime FrostPharma?
Quick Answer: Do not take cefixime if you are allergic to cephalosporins or have had a severe allergic reaction to penicillin or other beta-lactam antibiotics. Inform your doctor about all medications you take, any kidney problems, and if you are pregnant or breastfeeding.
Contraindications
You must not use Cefixime FrostPharma if any of the following apply to you:
- You are allergic to cefixime or any of the other ingredients in this medicine (listed in the Ingredients section below)
- You are allergic (hypersensitive) to any other antibiotic in the cephalosporin class
- You have had a severe allergic reaction (such as anaphylaxis, severe skin reactions, or angioedema) to any penicillin or other beta-lactam antibiotic (including carbapenems or monobactams)
Cross-reactivity between penicillins and cephalosporins exists but varies depending on the specific agents involved. According to published meta-analyses, the risk of cross-reactivity between penicillins and third-generation cephalosporins like cefixime is estimated at approximately 1–2%, which is significantly lower than the older estimates of 10% that were based on first-generation cephalosporins. However, patients with a documented history of severe IgE-mediated penicillin allergy (anaphylaxis) should not receive cephalosporins unless formal allergy testing has been performed and supervised desensitization is available.
Warnings and Precautions
Talk to your doctor or pharmacist before using Cefixime FrostPharma if:
- You have ever had colitis (inflammation of the large intestine) or other gastrointestinal disease, as cephalosporins can rarely cause Clostridioides difficile-associated diarrhea (CDAD), a potentially serious condition
- You have kidney problems — your doctor may need to adjust the dose and monitor your kidney function during treatment
- The patient is a child younger than 6 months — cefixime is not recommended for this age group
- You have a mild penicillin allergy (non-severe reaction) — while cefixime may still be used with caution, you should be closely monitored
- You are taking anticoagulants (blood thinners) such as warfarin, as cefixime may impair the blood’s ability to clot and prolong bleeding time
You develop a severe allergic reaction (anaphylaxis) with symptoms such as difficulty breathing, swelling of the face, lips, tongue or throat, rapid heartbeat, or collapse. Stop taking the medication immediately. If you develop severe, watery, or bloody diarrhea with abdominal cramping during or after treatment, do not take any anti-diarrheal medication and contact your doctor immediately, as this may indicate pseudomembranous colitis.
If you develop a syndrome called DRESS (Drug Reaction with Eosinophilia and Systemic Symptoms), Stevens-Johnson syndrome, or toxic epidermal necrolysis — serious skin reactions that can be life-threatening — stop taking the medication and seek emergency medical care. Symptoms may include widespread rash, fever, swollen lymph nodes, blistering of the skin, mouth, eyes, and genitals.
During treatment with cefixime, there is a temporary increased risk of secondary infections caused by organisms that are not susceptible to this antibiotic. For example, you may develop oral thrush (a fungal infection caused by Candida species). If this occurs, your doctor can prescribe appropriate antifungal treatment.
Effects on Laboratory Tests
Cefixime can interfere with certain laboratory tests. If you are having blood or urine tests, inform your healthcare provider that you are taking this medicine. Specifically:
- Urine glucose tests: Cefixime may cause false-positive results with copper-reduction tests (such as Benedict’s or Fehling’s reagent). Enzyme-based glucose tests (glucose oxidase method) are not affected. If you have diabetes and routinely test your urine for sugar, discuss this with your doctor.
- Urine ketone tests: Results may be affected; alternative testing methods may be needed.
- Direct antiglobulin test (Coombs test): May produce false-positive results, which is important if you need blood transfusions or are being evaluated for hemolytic anemia.
Pregnancy and Breastfeeding
If you are pregnant, breastfeeding, think you may be pregnant, or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine. Animal reproduction studies have not demonstrated clear evidence of fetal harm, but there are no adequate and well-controlled studies in pregnant women. As with all medications during pregnancy, cefixime should only be used when the potential benefit justifies the potential risk to the fetus.
Cefixime may pass into breast milk in small amounts. While significant adverse effects in breastfed infants are unlikely, there is a theoretical risk of disruption to the infant’s gut flora, leading to diarrhea or oral thrush. Consult your healthcare provider before breastfeeding while taking this medication.
Driving and Operating Machinery
Cefixime FrostPharma is not known to affect your ability to drive or operate machinery. However, as with all medications, be aware of how you feel before engaging in activities that require alertness, as dizziness has been reported as a rare side effect.
This medicine contains sucrose (0.5 g per ml of reconstituted suspension). This should be taken into account by patients with diabetes mellitus. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicine.
It also contains sodium benzoate (E 211), 0.5 mg per ml, which may increase the risk of jaundice in newborns (up to 4 weeks old). The medicine contains less than 1 mmol sodium (23 mg) per ml, i.e., it is essentially sodium-free.
How Does Cefixime FrostPharma Interact with Other Drugs?
Quick Answer: Cefixime may interact with anticoagulants like warfarin (increasing bleeding risk), nephrotoxic drugs such as aminoglycosides and loop diuretics (increasing kidney damage risk), and nifedipine (which may increase cefixime absorption). Always tell your doctor about all medications you are taking.
Drug interactions can alter how a medication works or increase the risk of adverse effects. It is essential to tell your doctor or pharmacist about all medicines you are currently using, have recently used, or plan to use, including over-the-counter medicines, vitamins, and herbal supplements.
Major Interactions
The following interactions are considered clinically significant and may require dose adjustments, close monitoring, or avoidance of concurrent use:
| Interacting Drug | Effect | Clinical Significance |
|---|---|---|
| Warfarin (and other oral anticoagulants) | Cefixime may enhance the anticoagulant effect by disrupting vitamin K-producing gut flora, leading to prolonged prothrombin time and increased INR | Monitor INR closely; dose adjustment of anticoagulant may be needed |
| Aminoglycoside antibiotics (e.g., gentamicin, tobramycin) | Increased risk of nephrotoxicity (kidney damage) when combined | Kidney function must be monitored regularly |
| Colistin, polymyxin B, viomycin | Additive nephrotoxic potential | Avoid combination if possible; monitor renal function |
| Loop diuretics (furosemide, ethacrynic acid) | May increase the risk of cephalosporin-induced nephrotoxicity | Monitor kidney function and hydration status |
Minor Interactions
The following interaction is generally less clinically significant but should still be noted:
| Interacting Drug | Effect | Clinical Significance |
|---|---|---|
| Nifedipine (calcium channel blocker) | May increase the bioavailability of cefixime by up to 70% | Generally well-tolerated; no routine dose adjustment needed, but be aware of increased cefixime levels |
Cefixime FrostPharma can be taken with or without food. Food may slightly improve absorption and reduce gastrointestinal upset. The reconstituted suspension should not be diluted in beverages — administer it directly using the provided oral syringe.
What Is the Correct Dosage of Cefixime FrostPharma?
Quick Answer: The standard adult dose is 400 mg once daily (20 ml) or 200 mg twice daily (10 ml every 12 hours). Children under 12 years receive 8 mg/kg/day. Treatment typically lasts 7–14 days. Always follow your doctor’s instructions.
Always use this medicine exactly as your doctor or pharmacist has told you. The dose prescribed depends on the type and severity of your infection and your kidney function. The reconstituted suspension can be given with or without food but should not be diluted in beverages.
Adults and Adolescents (12 Years and Older)
Standard Adult Dosage
- 400 mg once daily (= 20 ml of reconstituted suspension) as a single dose, OR
- 200 mg twice daily (= 10 ml of reconstituted suspension) every 12 hours
For uncomplicated cystitis (bladder infection) in women, the treatment duration may be shortened to 1–3 days, as recommended by your physician. For all other indications, the standard treatment duration is 7–14 days, depending on infection severity and clinical response.
Children (6 Months to 12 Years)
The pediatric dose is calculated based on body weight: 8 mg per kg body weight per day, up to a maximum of 400 mg/day. This may be given as a single daily dose or divided into two equal doses every 12 hours.
| Body Weight | Once Daily (ml) | Twice Daily (ml) | Daily Dose (mg) |
|---|---|---|---|
| 6–9 kg (infants >6 months) | 2.5 ml | 2 × 1.25 ml | 50 mg |
| 10 kg | 4 ml | 2 × 2 ml | 80 mg |
| 15 kg | 6 ml | 2 × 3 ml | 120 mg |
| 20 kg | 8 ml | 2 × 4 ml | 160 mg |
| 25 kg | 10 ml | 2 × 5 ml | 200 mg |
| 30 kg | 12 ml | 2 × 6 ml | 240 mg |
| 35 kg | 14 ml | 2 × 7 ml | 280 mg |
| 40 kg | 16 ml | 2 × 8 ml | 320 mg |
| 50 kg or more | 20 ml | 2 × 10 ml | 400 mg (max) |
Elderly Patients
No dose adjustment is necessary for elderly patients with normal kidney function. The standard adult dose of 400 mg daily applies. However, kidney function naturally declines with age, so your doctor may check your renal function before prescribing cefixime and adjust the dose accordingly if kidney impairment is detected.
Patients with Kidney Problems
If you have severe kidney impairment, your doctor may reduce the dose. The recommended maximum for adults with significant renal impairment is 200 mg once daily. For children under 12 years with severe kidney problems, the dose should not exceed 4 mg/kg body weight once daily. Your doctor may also order regular blood tests to monitor kidney function throughout treatment.
Preparing the Suspension
The oral suspension must be prepared (reconstituted) before first use. A healthcare professional will typically do this, or you may be instructed to do it at home:
- Using the measuring cup provided, add 40 ml of clean water in two portions to the bottle of granules
- Shake vigorously after each addition until a smooth, almost white to pale yellow suspension forms
- Shake the bottle well before each use
- Use the graduated oral syringe provided to measure the prescribed dose
- Administer the dose directly into the mouth, aiming at the inside of the cheek; push slowly to avoid choking
- After each use, take the syringe apart, rinse thoroughly with clean water, and allow to air dry
Missed Dose
If you forget to take a dose, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a forgotten one.
Overdose
If you or someone else takes too much cefixime, contact a healthcare provider, hospital emergency department, or poison control center immediately. Symptoms of overdose may include severe nausea, vomiting, and diarrhea. Treatment is supportive and symptomatic, as there is no specific antidote for cefixime overdose.
It is crucial that you complete the entire prescribed course of cefixime, even if you feel better before the course is finished. Stopping antibiotics early can allow remaining bacteria to survive and multiply, potentially leading to treatment failure, recurrence of infection, or development of antibiotic-resistant bacteria. If you still feel unwell at the end of your course, or if symptoms worsen during treatment, contact your doctor.
What Are the Side Effects of Cefixime FrostPharma?
Quick Answer: The most common side effect is loose stools or diarrhea. Less common effects include headache, nausea, vomiting, abdominal pain, and skin rash. Rarely, serious reactions such as severe allergic responses (anaphylaxis), serious skin reactions (Stevens-Johnson syndrome), or severe diarrhea (pseudomembranous colitis) may occur.
Like all medicines, Cefixime FrostPharma can cause side effects, although not everybody gets them. The side effects are listed below according to how frequently they occur. The frequency categories used are standardized by the European Medicines Agency (EMA):
Common
May affect up to 1 in 10 people
- Loose stools or diarrhea
Uncommon
May affect up to 1 in 100 people
- Headache
- Nausea
- Vomiting
- Abdominal pain (stomach ache)
- Changes in liver function blood tests
- Skin rash
Rare
May affect up to 1 in 1,000 people
- Increased risk of secondary infections (e.g., oral thrush)
- Increase in eosinophils (a type of white blood cell)
- Allergic reactions
- Decreased appetite
- Dizziness
- Bloating and flatulence
- Itching (pruritus)
- Inflammation of mucous membranes
- Fever
- Changes in kidney function blood tests
Very Rare
May affect up to 1 in 10,000 people
- Severe watery or bloody diarrhea (may indicate pseudomembranous colitis) — stop taking the medicine and seek immediate medical attention
- Anaphylactic shock (severe allergic reaction with difficulty breathing, collapse) — seek emergency care immediately
- Stevens-Johnson syndrome or toxic epidermal necrolysis (severe blistering skin reactions) — seek emergency care immediately
- Decrease in blood cell counts (may cause fatigue, increased infections, easy bruising or bleeding)
- Serum sickness-like reaction (rash, fever, joint pain, enlarged organs)
- Restlessness and increased activity
- Liver problems including jaundice (yellowing of the skin or eyes)
- Kidney inflammation (interstitial nephritis)
Not Known
Frequency cannot be estimated from available data
- Increased platelet count (thrombocytosis)
- Decreased neutrophils (neutropenia, a type of white blood cell)
- Indigestion (dyspepsia)
- DRESS syndrome (Drug Reaction with Eosinophilia and Systemic Symptoms) — severe rash, fever, swollen lymph nodes — seek emergency care
- Erythema multiforme — skin lesions with a characteristic target-like appearance, often on palms and soles, which may indicate a serious allergic reaction
If you experience any of the serious side effects listed above (marked in bold), stop taking the medicine and seek immediate medical attention. For any other side effects that concern you or persist, consult your doctor or pharmacist. You can also report side effects directly to your national medicines regulatory authority, which helps to monitor the benefit-risk balance of medicines after they have been approved.
Mild diarrhea is relatively common during antibiotic treatment and usually resolves after the course is completed. However, if diarrhea is severe, persistent, or contains blood, it may indicate Clostridioides difficile infection (pseudomembranous colitis), which requires immediate medical treatment. Do not take anti-diarrheal medicines (such as loperamide) if you suspect this condition, as they may worsen the situation.
How Should You Store Cefixime FrostPharma?
Quick Answer: Store the unopened granules below 25°C. After reconstitution, store the suspension below 25°C and use within 14 days. Do not freeze. Keep out of reach of children.
Proper storage of medications is essential to maintain their effectiveness and safety. For Cefixime FrostPharma, follow these storage guidelines:
- Unopened product (granules): Store at or below 25°C (77°F). Keep in the original packaging to protect from moisture.
- Reconstituted suspension: Store at or below 25°C (77°F) for a maximum of 14 days after preparation. Do not freeze the reconstituted suspension.
- Keep the medicine out of the sight and reach of children.
- Do not use this medicine after the expiry date stated on the carton after “EXP”. The expiry date refers to the last day of that month.
- After 14 days or once treatment is complete, dispose of any remaining reconstituted suspension. Do not pour medicines down the drain or put them in household waste. Ask your pharmacist how to dispose of medicines you no longer use. These measures help to protect the environment.
The reconstituted suspension has an almost white to pale yellow appearance and a viscous consistency. If you notice any unusual discoloration, particles, or an unusual smell, do not use the suspension and consult your pharmacist.
What Does Cefixime FrostPharma Contain?
Quick Answer: The active substance is cefixime (as cefixime trihydrate), 20 mg per ml of reconstituted suspension. Inactive ingredients include sucrose, xanthan gum, sodium benzoate (E 211), and orange flavoring.
Active Substance
Each milliliter of reconstituted oral suspension contains 20 mg of cefixime (as cefixime trihydrate). Cefixime trihydrate is the hydrated crystalline form of the active molecule, which provides stability during storage as granules and converts to the active form upon reconstitution.
Inactive Ingredients (Excipients)
- Sucrose — sweetener and stabilizer (0.5 g per ml of reconstituted suspension; important for patients with diabetes)
- Xanthan gum — thickening agent to maintain suspension consistency
- Sodium benzoate (E 211) — preservative (0.5 mg per ml; see excipient warnings above)
- Orange flavoring (Durarome Orange) — contains flavoring ingredients, maltodextrin from corn, sucrose, modified corn starch, gum arabic, citric acid esters of mono- and diglycerides of fatty acids, silicon dioxide (E 551)
Packaging
Cefixime FrostPharma granules for oral suspension are supplied in an amber glass bottle with an aluminum screw cap and polyethylene seal. Each package contains a polypropylene measuring cup (graduated to 40 ml) for reconstitution, and a 5 ml plastic oral dosing syringe (polystyrene plunger with low-density polyethylene barrel and cap) graduated from 0.5 ml to 5 ml in 0.25 ml increments. Package size: 60 ml of reconstituted oral suspension.
Frequently Asked Questions About Cefixime FrostPharma
References
This article is based on the following peer-reviewed sources, clinical guidelines, and regulatory documents:
- World Health Organization (WHO). WHO Model List of Essential Medicines – 23rd List. Geneva: WHO; 2023. Available at: who.int/publications
- European Medicines Agency (EMA). Cefixime – Summary of Product Characteristics. Amsterdam: EMA; 2024.
- British National Formulary (BNF). Cefixime. National Institute for Health and Care Excellence (NICE); 2025. Available at: bnf.nice.org.uk
- Pichichero ME. A review of evidence supporting the American Academy of Pediatrics recommendation for prescribing cephalosporin antibiotics for penicillin-allergic patients. Pediatrics. 2005;115(4):1048-1057. doi:10.1542/peds.2004-1276
- Campagna JD, Bond MC, Schabelman E, Hayes BD. The use of cephalosporins in penicillin-allergic patients: a literature review. J Emerg Med. 2012;42(5):612-620. doi:10.1016/j.jemermed.2011.05.035
- Infectious Diseases Society of America (IDSA). Clinical Practice Guideline for Acute Bacterial Rhinosinusitis in Children and Adults. Clin Infect Dis. 2012;54(8):e72-e112. doi:10.1093/cid/cis370
- Gupta K, Hooton TM, Naber KG, et al. International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women. Clin Infect Dis. 2011;52(5):e103-e120. doi:10.1093/cid/ciq257
- World Health Organization (WHO). Antimicrobial resistance: Global report on surveillance. Geneva: WHO; 2024.
Medical Editorial Team
This article was written by the iMedic Medical Editorial Team, which includes licensed physicians specializing in pharmacology, infectious disease, and clinical medicine.
All content is independently reviewed by the iMedic Medical Review Board according to international guidelines from the WHO, EMA, and IDSA, following the GRADE evidence framework.
iMedic is committed to providing accurate, evidence-based medical information. We follow strict editorial standards: all medical claims are supported by peer-reviewed research (Evidence Level 1A where available), content is regularly updated to reflect current guidelines, and we declare no conflicts of interest or commercial funding. For more information, see our editorial standards.