HealthSquare.com

Your Prescription Drug Destination
See all our sites for your special health needs at www.HealthCentral.com
  • Font size
  • Bookmark

Oseltamivir Phosphate Oral

Generic Name: OSELTAMIVIR - ORAL
Pronounced: (oss-el-TAM-eh-veer)

Oseltamivir Phosphate Oral Side Effects

Nausea and vomiting may occur as your body adjusts to this medication and usually go away after 1-2 days. Dizziness may also occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

The flu itself or oseltamivir may rarely cause serious mental/mood changes. This may be more likely in children. Tell your doctor immediately of any signs of unusual behavior including confusion, agitation, self-injury.

Seek immediate medical attention if this rare but very serious side effect occurs:

  • chest pain


A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

  • rash
  • itching/swelling (especially of the face/tongue/throat)
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Oseltamivir Phosphate Oral Precautions

Before taking oseltamivir, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

  • kidney disease


This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

This medication passes into breast milk. Consult your doctor before breast-feeding.

  • Font size
  • Bookmark

Ask a Question

Get answers from our experts and community members.

View all questions (1581) >