Tamiflu 75mg
Generic For: Tamiflu
Tamiflu (oseltamivir phosphate) 75mg is a prescription antiviral capsule used to treat influenza A and B in people who have had flu symptoms for 2 days or less, and to help prevent the flu after exposure. After a licensed provider reviews your information and issues a valid prescription, your order ships from a licensed U.S. pharmacy.
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10-day supply · $2.50/capsule
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An antiviral (neuraminidase inhibitor) for treating and preventing influenza A and influenza B
Tamiflu 75mg Quick Facts
| Drug class | Neuraminidase inhibitor antiviral |
|---|---|
| Treats | Influenza A treatment, influenza B treatment, flu prevention (prophylaxis) |
| Form | Capsule |
| Typical dosing | For active symptoms take 1 capsule by mouth twice a day, for exposure or prophylaxis take 1 capsule by mouth daily for 10 days. |
| Prescription required | Yes — prescription only |
What Is Tamiflu 75mg?
Tamiflu is the brand name for oseltamivir phosphate, an antiviral medication in the neuraminidase inhibitor class. It works by blocking an enzyme the influenza virus needs to spread from infected cells to healthy ones. Tamiflu is FDA-approved to treat acute, uncomplicated influenza A and B when started within 48 hours of symptom onset, and to prevent influenza after exposure. It is not a substitute for the annual flu vaccine and does not treat colds or other viral illnesses.
What Does Tamiflu 75mg Treat?
Treatment of acute, uncomplicated influenza A
Treatment of acute, uncomplicated influenza B
Treatment of flu symptoms present for 48 hours or less
Post-exposure prevention (prophylaxis) of influenza
Seasonal influenza prophylaxis during community outbreaks
Tamiflu 75mg Dosage
Treatment: 75 mg by mouth twice daily for 5 days (start within 48 hours of symptom onset)
Prophylaxis: 75 mg by mouth once daily for at least 10 days after exposure
Your prescriber will determine the dose and duration that are right for you. Always follow the directions on your prescription label.
Tamiflu 75mg Side Effects
Common side effects
- Nausea
- Vomiting
- Headache
- Diarrhea
- Dizziness
- Stomach pain
- Fatigue
Serious side effects
Stop taking this medication and seek medical attention right away if you experience:
- Serious allergic reactions (rash, swelling, trouble breathing)
- Severe skin reactions (Stevens-Johnson syndrome, toxic epidermal necrolysis)
- Confusion or abnormal behavior (neuropsychiatric events)
- Hallucinations or delirium, especially in children
- Seizures
Warnings & Interactions
Do not use if allergic to oseltamivir or any component of the capsule
Stop and seek care immediately for rash or signs of a severe skin reaction
Monitor for abnormal behavior, confusion, or self-injury, particularly in pediatric patients
Dose adjustment required for moderate-to-severe kidney impairment
Avoid live attenuated influenza vaccine (nasal spray) within 2 weeks before or 48 hours after Tamiflu
Not a substitute for annual influenza vaccination
Effectiveness not established when started more than 48 hours after symptom onset
Tell your prescriber about all medications, supplements, and health conditions before starting tamiflu 75mg.
Sources & References
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