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What Is Tamiflu?

Tamiflu is clinically proven to ease and prevent the symptoms of the flu virus and reduce the length of time you are ill.

Tamiflu has been clinically proven to reduce the duration of flu by up to 30% compared to people who don't take Tamiflu in the first 48 hours.

You should take Tamiflu as soon as possible for the maximum effect. You can order it in advance, to greatly increase its effectiveness.

Tamiflu contains oseltamivir, which belongs to a group of medicines called neuraminidase inhibitors. These medicines prevent the flu virus from spreading inside the body. They help to ease or prevent the symptoms of the flu virus infection.

How To Take


For Adults and adolescents aged 13 years and over:

To Treat Flu Outbreak

ONE capsule TWICE a day for FIVE days.

To Prevent Catching Flu

ONE capsule DAILY for TEN days.

For Seasonal Protection

For prevention of influenza during a community outbreak ONE capsule DAILY for up to SIX weeks.

Complete Course

It is important to complete the whole 5-day course, even if you start to feel better quickly.

Special Instructions


Swallow the capsules whole with water. Do not break or chew the capsules.

Annual Vaccination

Tamiflu is NOT a substitute for an annual flu vaccination.


Do not take Tamiflu if you are allergic to Oseltamivir or any of the ingredients in Tamiflu.

If you have an allergic reaction or a severe rash with Tamiflu, stop taking it, and contact your doctor right away.

Side Effects

Like all medicines, this medicine can cause side effects.

Although not everybody gets them and the effects are usually mild to moderate and of a short duration.

Please ensure you carefully read the Patient Information Leaflet accompanied with this treatment.

Common Side-Effects Include

  • Mild to moderate headache, nausea and vomiting

If you notice any unusual side effects, or if your symptoms get worse tell your GP or pharmacist.

Patient Information Leaflet

We strongly advise that you carefully read the Patient Information Leaflet before you take this treatment.