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Select your preferred options and see the best price
| Pack | Price (£) | ||
|---|---|---|---|
| - | 75mg | 1 course (10 Capsules) | 41.00 |
| - | 75mg | 2 course (10 Capsules) | 67.00 |
| - | 75mg | 3 course (10 Capsules) | 102.00 |
| - | 75mg | 4 course (10 Capsules) | 129.00 |
| - | 75mg | 5 course (10 Capsules) | 150.00 |
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Tamiflu Capsules | Oseltamivir Antiviral for Influenza A & B Treatment & Prevention
Flu can leave you feeling completely drained, with a high temperature, body aches, chills, and fatigue that hit suddenly and hard. When symptoms start early, acting quickly can make a real difference.
Tamiflu tablets are one of the most recognised treatments for flu, offering a proven oral flu treatment that targets the virus directly. Taken as capsules, Tamiflu works throughout the body to control infection and support faster recovery.
What Are Tamiflu Tablets and When Are They Used?
Tamiflu is a prescription flu antiviral tablet containing oseltamivir used for both treatment and prevention of influenza. It is typically prescribed when flu symptoms have started within the last 48 hours, there is confirmed or suspected influenza infection, or you have been exposed to someone with flu and need flu prevention.
Tamiflu is specifically designed for influenza therapy and does not treat other viral or bacterial infections.
How Tamiflu (Oseltamivir) Works in the Body
Tamiflu works by stopping the influenza virus from spreading inside your body. The active ingredient oseltamivir blocks a viral enzyme needed for the virus to multiply. This action slows down the spread of infection, reduces the severity of flu symptoms, and shortens the duration of illness when started early.
As an oral flu treatment, Tamiflu is absorbed into the bloodstream and works throughout the body, making it effective for managing widespread flu symptoms.
How to Take Tamiflu Tablets
Tamiflu should always be taken exactly as prescribed. For treatment of flu, it is usually taken twice daily for 5 days. For prevention of flu, it is usually taken once daily for a set period depending on exposure.
Important instructions: capsules can be taken with or without food, though taking with food can reduce stomach discomfort. Swallow capsules whole with water. If you miss a dose, take it as soon as you remember unless it is close to the next dose. If swallowing capsules is difficult, the contents may be mixed with a sweet liquid if advised.
Who Can Use Tamiflu Tablets?
Tamiflu is suitable for a wide range of patients when prescribed appropriately. For treatment, it may be used for adults and children from 2 weeks of age. For prevention, it may be used for adults and children aged 1 year and older.
However, caution is needed if you have kidney problems, have difficulty swallowing capsules, have intolerance to certain sugars such as sorbitol, or are taking multiple medications. Tamiflu should not be used if you are allergic to oseltamivir or any of its ingredients, and extra care is required if you have severe kidney disease or are not receiving dialysis with advanced kidney conditions.
It is important to understand that Tamiflu does not replace the annual flu vaccine, does not treat infections other than influenza, and is most effective when started early in the illness. Tamiflu has relatively few drug interactions, but it is still important to mention all medicines you take — including prescription medicines, over-the-counter treatments, and vitamins and herbal supplements.
Possible Side Effects of Tamiflu Tablets
Like all medicines, Tamiflu can cause side effects, although not everyone experiences them.
Common Side Effects:
- Nausea
- Vomiting
- Headache
These effects are usually mild and improve during treatment.
Serious Side Effects:
- Severe allergic reactions such as rash or swelling
- Skin reactions with blistering or peeling
- Breathing difficulty or chest tightness
- Confusion, unusual behaviour, or hallucinations (more common in children)
If any serious symptoms occur, treatment should be stopped immediately and urgent medical attention is required.
Why Do People Prefer Tamiflu Tablets?
Tamiflu is one of the most trusted options for managing flu symptoms early. People often choose Tamiflu because it is a well-established flu antiviral tablet used worldwide, it is easy to take as capsules rather than inhalation, it works throughout the body to control infection, it is suitable for both influenza treatment and flu prevention, and it provides a convenient option for managing symptoms at home. This makes Tamiflu a practical choice for those looking for reliable flu symptom relief.
How Does the Ordering Process Work at Pharmacy Planet?
Getting Tamiflu through Pharmacy Planet is simple and secure.
- Complete an online consultation and share details about your symptoms and health history.
- A UK-registered prescriber checks if Tamiflu is suitable.
- If approved, your medication is dispensed and delivered discreetly.
Tamiflu (oseltamivir) is a proven oral flu antiviral that works throughout the body to control influenza infection, reduce symptom severity, and support faster recovery when taken early.
Prescription flu antiviral for treatment (within 48 hours of symptoms) or prevention (after flu exposure). Specifically for influenza A and B — does not treat other viral or bacterial infections.
Oseltamivir blocks the viral enzyme needed for the influenza virus to multiply, slowing infection spread, reducing symptom severity, and shortening illness when started early. Absorbed into the bloodstream and works throughout the body.
Treatment: Twice daily for 5 days. Prevention: Once daily for a set period after exposure. Take with or without food (food reduces nausea). Swallow whole with water. If capsules are difficult to swallow, contents may be mixed with a sweet liquid if advised.
Treatment: adults and children from 2 weeks of age. Prevention: adults and children aged 1 year and older.
Caution for kidney problems, swallowing difficulties, sorbitol intolerance, or multiple medications. Not suitable for allergy to oseltamivir. Does not replace the flu vaccine; most effective within 48 hours of symptoms.
Common: Nausea, vomiting, headache — usually mild and improve during treatment
Serious: Severe allergic reactions, skin blistering/peeling, breathing difficulty/chest tightness, confusion/unusual behaviour/hallucinations (more common in children)
Stop immediately and seek urgent medical attention for serious symptoms.
Well-established worldwide flu antiviral in easy oral capsule form, works throughout the body, suitable for both treatment and prevention, and provides convenient home management of flu symptoms.
Getting Tamiflu through Pharmacy Planet is simple and secure.
- Complete an online consultation and share details about your symptoms and health history.
- A UK-registered prescriber checks if Tamiflu is suitable.
- If approved, your medication is dispensed and delivered discreetly.
Tamiflu starts working in your body within a few hours, but most people notice improvement in symptoms within 1–2 days. It works best when taken within 48 hours of symptoms starting.
Tamiflu is less effective if started after 48 hours. It may still be prescribed in some cases, but it usually does not reduce symptoms as effectively when started late.
Yes, Tamiflu can shorten the duration of flu by about 1–2 days when taken early. It also reduces the severity of symptoms like fever, body aches, and fatigue.
Tamiflu can be used for flu prevention after close contact with someone infected. It is usually taken once daily for several days to reduce the risk of catching the virus.
Tamiflu is an antiviral medicine, not an antibiotic. It only works against influenza viruses and does not treat bacterial infections like chest infections or sinus infections.
Yes, Tamiflu is often prescribed based on symptoms and timing rather than a test. If the flu is strongly suspected and symptoms started recently, treatment may begin without testing.
Tamiflu can irritate the stomach in some people. Taking it with food usually reduces this effect and makes it easier to tolerate during treatment.
Yes, Tamiflu can be used in children, but the dose depends on age and weight. If a child cannot swallow capsules, the contents can be mixed with a sweet liquid if advised.

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Review By
HARMINDER ‘HARMY’ KAUR
Last Updated On : Mar 13 2026
BSc(hons) Pharmacy
GPhC Number: 2061107

Authored By
GURDEV SEHMI
Last Reviewed On : Mar 23 2026
BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead
GPhC Number: 2050925





