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Oseltamivir Phosphate For Oral Suspension

Generic: Oseltamivir Phosphate

Rx only
Influenza antiviral✓ FDA-verified
View full FDA label ↗
Oseltamivir Phosphate for Oral Suspension is a medication used to treat and prevent influenza (the flu) in people aged 2 weeks and older. It works by stopping the flu virus from spreading in the body, helping to reduce symptoms and duration of illness. The medication is taken as a liquid, with adults and adolescents typically starting at 75 mg twice a day for 5 days for treatment, or 75 mg once daily for at least 10 days for prevention. It is important to note that this medication is not recommended for anyone with a serious allergy to Oseltamivir or its ingredients. Additionally, if you are taking probenecid, it may increase the levels of the active form of the medication in your body, so your doctor may need to adjust your dose.

Uses

  • Treatment of uncomplicated influenza A and B in patients 2 weeks and older.
  • Prophylaxis of influenza A and B in patients 1 year and older.

Dosage

Adults and adolescents (13 years and older): 75 mg twice daily for 5 days.
Pediatric patients 1 to 12 years: Based on weight twice daily for 5 days.
Pediatric patients 2 weeks to less than 1 year: 3 mg/kg twice daily for 5 days.
Adults and adolescents for prophylaxis: 75 mg once daily for at least 10 days.
Always follow your doctor's specific instructions for your dose.

Side effects

Common

NauseavomitingheadacheSkin reactions

Serious

hypersensitivityneuropsychiatric events
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Warnings

⚠ Important warnings

  • Not a substitute for annual flu vaccination.
  • Not recommended for patients with end-stage renal disease not undergoing dialysis.
  • Consider drug susceptibility patterns before use.

Drug interactions

  • Live attenuated influenza vaccinemay reduce vaccine effectivenessCaution
  • Amoxicillinno significant interactionCaution
  • Acetaminophenno significant interactionCaution
  • Aspirinno significant interactionCaution
  • Cimetidineno significant interactionCaution

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Answers pulled from the FDA label only.

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Medical Disclaimer: This content is provided for informational and educational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before taking any medication.
Data Source: Publicly available drug labeling information from the U.S. Food and Drug Administration (FDA).