Tamiflu

Oseltamivir

Indicated to alleviate influenza symptoms and formulated to target virus proliferation.

Category
Antivirals
Active ingredient
Oseltamivir
Supply
Pharmacy
Route
Oral use
Form
Capsule, hard
Strengths
75mg

Tamiflu details

Condition
Influenza
Therapeutic class
Neuraminidase Inhibitor
Pharmacological class
Neuraminidase Inhibitor
Contraindications
hypersensitivity to oseltamivir
Precautions and warnings
monitor for neuropsychiatric events; maintain adequate hydration
Minor side effects
nausea; vomiting; headache; pain
Moderate side effects
insomnia; fatigue; dizziness
Dosage forms
Capsule, hard
Administration route
Oral use
Supply category
Pharmacist only, dispensed without a prescription
Manufacturer
Roche
Onset Time
24–48 hours
Duration
5 days
Storage instructions
Store below 25°C, keep dry.
Drug interactions
influenza vaccine
Age restrictions
Use requires age-appropriate dosing.
Serious side effects

anaphylaxis, requires immediate medical attention; Stevens-Johnson syndrome, requires immediate medical attention; toxic epidermal necrolysis, requires immediate medical attention

Patient summary

Indicated to alleviate influenza symptoms and formulated to target virus proliferation.

Mechanism of action

Oseltamivir is a neuraminidase inhibitor that interferes with the release of new viral particles from infected cells, thereby preventing the spread of influenza within the body.

Pregnancy and breastfeeding

Pregnancy: Use only if clinically necessary. Breastfeeding: May be used if clinically necessary.

Where this medicine is registered

  • Singapore
  • Hong Kong
  • Thailand
  • Malaysia
  • Philippines
  • Indonesia
  • Taiwan
  • South Korea
  • Japan
  • Australia
  • New Zealand
  • UAE
  • South Africa

About Tamiflu

Tamiflu contains the active ingredient oseltamivir, an antiviral medication used in the management of influenza. Produced by Roche, it is supplied as a 75mg tablet. For many, having access to effective antivirals can assist in managing seasonal flu symptoms when used promptly after they appear.

Tamiflu availability in Asia

Tamiflu is registered across 14 markets, including Hong Kong, Thailand and Malaysia, with availability also in the Philippines, Indonesia and Taiwan. Note that generic oseltamivir, much of it made in India, is far more affordable than the original brand. This medication is best used under a doctor’s care, especially for expats and people living far from a well stocked pharmacy.