• Brand Name - Fluvir
  • Innovator Brand Name - Tamiflu
  • API - Oseltamivir Phosphate
  • Packaging - 10 capsules
  • Strength - 30 mg, 45 mg, 75 mg
  • Manufacturer Name - Hetero Healthcare


Oseltamivir is an influenza neuraminidase inhibitor (NAI) antiviral medication indicated for the treatment and prevention of influenza caused by influenza A and B viruses. 

Oseltamivir Phosphate is also recommended to the patient that is at high risk or the risk of complication is quite high after the first symptoms of infection.

It is the first influenza neuraminidase that can be consumed orally.

Oseltamivir (as Tamiflu) was widely used during the H5N1 avian influenza epidemic in Southeast Asia in 2005

Oseltamivir Dosage

Oseltamivir should be taken orally at about the same time each day, either with food or without food, however, tolerability may be enhanced if Oseltamivir is taken with food. Oseltamivir phosphate capsules should be swallowed whole with water. Never consume opened, broken, or chewed capsules.

Oseltamivir phosphate side effects
  • The most common adverse reactions include: vomiting, diarrhea, headache, and trouble sleeping, nausea, and abdominal pain.
  • Other side effects of Oseltamivir may include psychiatric symptoms and seizures.
  • In the United States, Oseltamivir phosphate is recommended to be safe consumed by pregnant women in case of infection. The dose of this medication is adjusted for the person suffering from kidney problems.
Warnings and Precautions
  • Oseltamivir 75 mg not recommended for patients with end-stage renal disease not undergoing dialysis.
  • Serious skin/hypersensitivity reactions such as Stevens-Johnson Syndrome, toxic epidermal necrolysis and erythema multiforme, immediately discontinue Oseltamivir 45 mg and initiate appropriate treatment if allergic reactions occur or are suspected.
  • Patients suffering from influenza and simultaneously taking Oseltamivir 30 mg, particularly pediatric patients, are at the high risk of confusion or abnormal behavior early in their illness. Patients should be monitored for signs of abnormal behavior.
  • Dose adjustment may be needed in those with kidney problems.
Supplied/Storage and handling

Care should be exercised in the handling of OseltamivirOseltamivir capsules should not be opened or crushed. Store permitted between 15-30°C (59-86°F).

Drug Interactions of Oseltamivir phosphate

There are approximately 8 drugs that are found to interact with Oseltamivir. In these 8 interactions, there are 6 moderate interactions and 2 are minor interactions.

Drugs that interact with Oseltamivir phosphate are mentioned below:

  • Entecavir
  • Methotrexate
  • Influenza Virus Vaccine, h1n1
  • Influenza Virus Vaccine, live, trivalent.
  • Probenecid
  • Pemetrexed
  • Warfarin
  • Tafamidis

No drug interaction with Oseltamivir is found that causes severe diseases.

Commonly asked questions:

The minority of patients suffer from hallucinations.

In 1999, in the US, Oseltamivir phosphate was approved for medical use. This was the maiden NIs (neuraminidase inhibitor) available by mouth. This drug is on the WHO’s (World Health Organization’s) List of the Essential Medications, which are safe as well as effective for the health system.

Oseltamivir is basically used for treating and preventing influenza.

The active ingredient in the medicine is Oseltamivir, and the inactive ingredients are monosodium citrate, saccharin sodium, sodium benzoate, sorbitol, titanium dioxide, etc.

  • Oseltamivir 30 mg
  • Oseltamivir 45 mg
  • Oseltamivir 75 mg

There are no adverse reactions noticed in patients who took an overdose of the medicine. If one takes an overdose, consult the doctor and keep the patient under observation.

  • You can buy Oseltamivir from any authorized whole seller after getting prescription from a qualified doctor. It is always better to check the credential of the whole seller/supplier/exporter before buying the product.
  • The buyer should check the existing law in their home country before importing the product.

Patients can simply fill the order form or can send mail at info@ikrispharmanetwork.com. Patient can also send WhatsApp message to +91 8130290915. We will reply ASAP with the details of Pricing and procedure.
Note:- The order will be confirmed only after the receipt of Valid prescription of Clinician

Do not open or crush the capsule.
Store the medicine at temperature 15-30°C (59-86°F).


All Trademark and Brand that appear on the website belong to their respective owners and Ikris Pharma Network does not lay and claim on them we only provide Information. Oseltamivir phosphate is a pharmaceutical drug that legally requires a medical prescription to be dispensed.

Following Information meant for Wholesalers, Suppliers, Exporters, Doctors, Comparator Supplies, Hospitals, Generic, Brand, Corporate Sourcing, reseller and Pharmacies.