Fluvir 75 mg (Generic Oseltamivir – Tamiflu): Complete Flu Treatment Guide
Table of Contents
What is Fluvir 75 mg?
Fluvir 75 mg is the generic form of Oseltamivir, commonly known by the brand name Tamiflu. It is an antiviral medication used for the treatment and prevention of influenza A and B, including seasonal flu and H1N1 (swine flu). Fluvir works best when started within 48 hours of symptom onset.
How Fluvir 75 mg Works
Fluvir 75 mg belongs to a class of drugs called neuraminidase inhibitors. It blocks the enzyme the flu virus uses to spread inside the body, helping to reduce symptoms and shorten illness duration. It can also prevent the virus from infecting others, making it effective for prophylaxis.
Uses of Fluvir 75 mg
Fluvir 75 mg is used in the following scenarios:
- Treatment of active influenza infection in adults and children (≥1 year)
- Prevention (prophylaxis) of flu following exposure to the virus
- High-risk populations during flu outbreaks – elderly, pregnant women, immunocompromised patients
Fluvir 75 mg Dosage
Adults and Adolescents (≥13 years):
- Treatment: 75 mg twice daily for 5 days
- Prevention: 75 mg once daily for 7 to 10 days
Pediatric Dose: Based on weight. Dosing should be adjusted by a pediatrician.
Administration Tips
- Start Fluvir 75 mg within 48 hours of flu symptoms
- Can be taken with or without food
- Finish the full course even if you feel better
Side Effects of Fluvir 75 mg
Most side effects are mild and temporary. Common side effects include:
- Nausea and vomiting
- Abdominal pain
- Headache
- Dizziness
Rare but serious effects:
- Mood changes or confusion (mostly in children)
- Seizures or hallucinations
- Severe allergic reactions
Contact your doctor if you experience unusual symptoms.
Precautions and Interactions
Before using Fluvir 75 mg, inform your doctor if you have:
- Kidney disease
- Respiratory illnesses like asthma
- Immune disorders
Drug Interactions:
- Live flu vaccines (nasal) – avoid for 2 weeks after Fluvir use
- No major drug interactions are known with Fluvir
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FAQs About Fluvir 75 mg
Is Fluvir 75 mg the same as Tamiflu?
Yes, Fluvir is the generic version of Tamiflu and contains the same active ingredient: Oseltamivir 75 mg.
Can Fluvir 75 mg prevent the flu?
Yes, Fluvir is FDA-approved for flu prevention after exposure or during outbreaks.
Is Fluvir safe for children?
Yes, with age- and weight-appropriate dosage under pediatric supervision.
When should I start taking Fluvir?
Start within 48 hours of the first flu symptom for best results. For prevention, take as soon as possible after exposure.
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