Tamiflu (oseltamivir) 75mg Capsules Over the Counter

The overview below contains critical information about Tamiflu, including its primary side effects, usage scenarios, and mechanisms of action.

What is Oseltamivir Phosphate

Tamiflu (oseltamivir) represents an antiviral drug that works by blocking the influence of influenza virus type A and type B on human body. Tamiflu is applied for treatment of flu symptoms resulted from influenza virus in patients with symptoms occurring for 2 days and below. This medication may also be administered for prevention of influenza in patients who under risk of exposure, but do not exhibit any symptoms yet. Tamiflu is not suitable for treatment of common cold, hence alternative medications should be identified.

For those 2 weeks of age and older who have experienced symptoms for no more than 48 hours, tamiflu treats acute and simple influenza A and B infections. Tamiflu is given to individuals over 1 year old who need influenza A and B prevention.

Tamiflu oral suspension and capsules can be administered with or without food; nevertheless, the overall tolerability can be improved if Tamiflu is administered with meals. The suggested oral dosage of Tamiflu to treat influenza in adults and adolescents of 13 years and above, is 75 mg 2 times a day (one 75 mg capsule or equivalent of 12.5 mL of oral suspension two times a day) for a total duration of 5 days.

Tamiflu generally comes in the following dosages: 30 mg, 45 mg and 75 mg capsules, whereas oral suspension has the suggested dosage of 6 mg/ml.

Oseltamivir Side Effects

Tamiflu (also referred to as Oseltamivir) alongside with desired effects, may also result in serious side effects, which should be acknowledged and properly monitored in order to avoid any harm to patient’s wellbeing. The list of serious side effects includes the following:

• shaking and/or tremors
• abrupt confusion
• hallucinations
• abnormal behavior

Immediately get medical help if you suffer any of the symptoms listed above. On the other hand, Tamiflu's most frequent negative effects include:

• vomiting
• nausea
• headache
• pain

Monitor your health throughout Tamiflu therapy and report any variations from norms to your healthcare provider so you may get prompt help and avoid side effects.

author: Tony Olivier, Pharm D.