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Tamiflu contains oseltamivir, which belongs to a group of medicines named 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.
Influenza, usually called flu, is an infection caused by a virus. The signs of flu often include a sudden
fever (more than 37.8 °C), cough, runny or stuffy nose, headaches, muscle aches and extreme tiredness.
These symptoms can also be caused by other infections. True influenza infection only occurs during
annual outbreaks (epidemics) when flu viruses are spreading in the local community. Outside epidemic
periods, flu-like symptoms are usually caused by a different type of illness.
Do not take Tamiflu:
• if you are allergic (hypersensitive) to oseltamivir or any of the other ingredients of Tamiflu.
Talk to your doctor if this applies to you. Do not take Tamiflu.
Warnings and precautions:
Before you take Tamiflu, make sure the prescribing doctor knows
• if you are allergic to other medicines
• if you have problems with your kidneys. If so, your dose may need adjustment
• if you have a severe medical condition, which may require immediate hospitalisation
• if your immune system is not working
• if you have chronic heart disease or respiratory disease.
During treatment with Tamiflu, tell a doctor immediately:
• if you notice changes in behaviour or mood (neuropsychiatric events), especially in children and
adolescents). These may be signs of rare but serious side effects.
Take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are
not sure.
Always use the oral dispenser that is provided in the box and has markings indicating the dose in
millilitres (ml).
Take Tamiflu as soon as possible, ideally within two days of the flu symptoms starting.
The recommended doses
For treating flu, take two doses daily. It is usually convenient to take one dose in the morning and one in
the evening. It is important to complete the whole 5-day course, even if you start to feel better quickly.
For patients with a weak immune system, treatment will continue for 10 days.
For preventing flu or after being exposed to an infected person, take one dose daily for 10 days. It is
best to take this in the mornings with breakfast.
In special situations, such as widespread flu, or for patients with a weak immune system, treatment will
continue for up to 6 or 12 weeks.
The recommended dose is based on the patient’s body weight. You must use the amount of Tamiflu
prescribed by the doctor. The oral suspension can be used by people who find it hard to take capsules.
The active substance is oseltamivir (6 mg/ml oseltamivir after reconstitution).
The other ingredients are sorbitol (E420), sodium dihydrogen citrate (E331[a]), xanthan gum (E415), sodium benzoate (E211), saccharin sodium (E954), titanium dioxide (E171) and tutti frutti flavour (including maltodextrins [maize], propylene glycol, arabic gum E414 and natural identical flavouring substances [mainly consisting of banana, pineapple and peach flavour]).
Very common side effects (may affect more than 1 in 10 people):
• Cough
• Nasal congestion
• Vomiting.
Common side effects (may affect up to 1 in 10 people):
• Conjunctivitis (red eyes and discharge or pain in the eye)
• Ear inflammation and other ear disorders
• Headache
• Nausea
• Runny nose
• Stomach ache
• Upper abdominal fullness
• Upset stomach.
Uncommon side effects (may affect up to 1 in 100 people):
• Inflammation of the skin
• Tympanic membrane (eardrum) disorder.