Tamiflu (oseltamivir) is a licensed prescription only medicine for the treatment and prevention of influenza ('flu'). Tamiflu can be used to treat the symptoms of 'flu in people who are showing the typical symptoms of 'flu and the 'flu virus is known to be going around in the local community.
Tamiflu works if it is taken within 2 days of the start of any symptoms. It reduces the severity of symptoms and shortens the length of time you feel unwell.
What do I do if I have a Prescription?If you have a prescription for Tamiflu please add the correct amount of tablets to your basket
What do I do if I don't have a Prescription?<
If you do not already have a prescription for Tamiflu then please visit Pharmacy2U's recommended provider of
Online Doctor consultations.
For more information on Tamiflu (oseltamivir) and Flu view our health information pages on
TamifluPharmacy2U can only dispense a Prescription Only Medicine (POM) if your order is accompanied by a valid UK prescription issued by your doctor, consultant or other medical practicioner. Details of where to send the prescription will be issued with your unique order number at the confirmation page.
Always takes Tamiflu as directed by your doctor. You should check with your doctor or pharmacist if you are unsure. Take Tamiflu as soon as you get the prescription as this will help to slow the spread of the influenza virus in the body. Adolescents (13-17 years of age) take one capsule as soon as you get the prescription and then take one capsule twice a day. It is important to complete the whole 5 day course even if you start to feel better. Infants 1 year and older should use Tamiflu oral suspension. Children weighing more than 40kg and who can swallow capsules may take Tamiflu 75mg capsules twice daily for 5 days. If you take more Tamiflu than you should, contact your doctor as soon as possible. If you have forgotton to take Tamiflu, do not double a dose.
The active ingredient is Oseltamivir Phosphate (75 mg Oseltamivir in each hard capsule).
The other ingredients are: capsule contents: Pregelatinised Starch, Talc, Povidone, Croscarmellose Sodium and Sodium Stearyl Fumarate. Capsule shell: Gelatin, Yellow Iron Oxide (E172), Red Iron Oxide (E172), Black Iron Oxide (E172) and Titanium Dioxide (E171), printing ink: Shellac (E904), Titanium Dioxide (E171) and Indigocarmine (E132).
Like all medicines, Tamiflu can cause side effects, although not everybody gets them.
Common side effects of Tamiflu
The most common side effects of Tamiflu are nausea, vomiting, diarrhoea, stomach ache and
headache. These side effects mostly occur only after the first dose of the medicine and will usually
stop as treatment continues. The frequency of these effects is reduced if the medicinal product is taken
with food.
Less common side effects of Tamiflu
During Tamiflu treatment, events like convulsions and delirium (including symptoms such as altered
level of consciousness, confusion, abnormal behaviour, delusions, hallucinations, agitation, anxiety,
nightmares) have been reported, in a very few cases resulting in self-injury, in some instances with
fatal outcome. These events were reported primarily among children and adolescents and often had an
abrupt onset and rapid resolution. Such neuropsychiatric events have also been reported in patients
with influenza who were not taking Tamiflu.
Adults and adolescents (children aged 13 years and older)
Other less common side effects, which may also be caused by influenza, are upper abdominal fullness,
bleeding in the gastrointestinal tract, bronchitis, upper respiratory tract infections, dizziness, tiredness,
sleeping difficulties, skin reactions, mild to severe liver function disorders, visual disturbances, ,
thrombocytopenia (low platelet count) and heart rhythm abnormalities.
Children (aged 1 to 12 years)
Other less common side effects, which may also be caused by influenza, are cough, nasal congestion,
ear inflammation, inflammation of the lungs, sinusitis, bronchitis, aggravation of pre-existing asthma,
nose bleeding, ear disorders, inflammation of the skin, swelling of the lymph nodes, conjunctivitis,
visual disturbances, thrombocytopenia (low platelet count and heart rhythm abnormalities.
Infants (aged 6 to 12 months)
The reported side effects of Tamiflu when used for treatment of influenza in infants 6 to 12 months of
age are similar to the side effects reported for older children (1 year and older). Please read the section
above for your information.
Infants (aged 0 to 6 months)
The reported side effects of Tamiflu when used for treatment of influenza in infants 1 to 6 months of
age are similar to the side effects reported for infants 6 to 12 months of age and older children (1 year
and older), except for thrombocytopenia (low platelet count). There are no data available for the use of
Tamiflu in infants less than 1 month of age.