Prescription onlyNo lower cost generic available



  • Pill
  • Liquid
  • Flu prevention
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Prevents the flu.

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Prescription onlyNo lower cost generic available

Our bottom line

Tamiflu (Oseltamivir) can reduce flu symptoms, but it needs to be taken within two days of the flu starting or it won't work.


  • A liquid form is available for those not able to swallow capsules.
  • Dosing is fairly easy; it's only taken twice a day for 5 days.


  • Tamiflu (Oseltamivir) needs to be taken within 2 days of the start of flu symptoms, or else it won't work.
  • Taking Tamiflu (Oseltamivir) won't prevent you from spreading the flu to others.
  • Could cause headaches or confusion.

Save on your next Tamiflu (Oseltamivir) prescription

Get the lowest price for your medication, even if you have insurance.

  • (1) 10 capsules of 75mg dose pack
  • Cost for (1) 10 capsules of 75mg dose pack of Tamiflu (Oseltamivir) at pharmacies

What to expect when you take Tamiflu (Oseltamivir)

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Tips from our pharmacists
  • Get a flu shot every year to prevent getting the flu.
  • Tamiflu (Oseltamivir) is available as capsules or a liquid.
  • You need to start taking Tamiflu (Oseltamivir) within a day or two of feeling the start of the flu, otherwise it won't work as well.
  • Unless told otherwise by your doctor, you should take Tamiflu (Oseltamivir) for at least 5 days.
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Side effects for Tamiflu (Oseltamivir)

From clinical trials of Tamiflu / Flu prevention  ( 186)

  • VomitingVomiting2% for Tamiflu vs.10% for placebo
  • Middle ear inflammationMiddle ear inflammation2% for Tamiflu vs.2% for placebo
  • Lung infectionLung infection2% for Tamiflu vs.0% for placebo
  • BronchitisBronchitis2% for Tamiflu vs.0% for placebo
  • Asthma (including aggravated)Asthma (including aggravated)1% for Tamiflu vs.1% for placebo
  • NauseaNausea1% for Tamiflu vs.4% for placebo

Manufacturers don’t say how common these side effects are

  • Abdominal pain
  • Diarrhea
  • Ear disorder
  • Nosebleed
  • Pink eye
  • Rash
  • Sinus inflammation
  • Swollen lymph nodes
  • Tympanic membrane disorder

Risks and Warnings for Tamiflu (Oseltamivir)

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  • Tamiflu (Oseltamivir) should not be taken if the patient has had a nasal flu vaccine within the last two weeks.

Means that some groups have a high risk of experiencing this side effect

Tips from pharmacists and people taking Tamiflu (Oseltamivir)

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The FDA category for this medication is C. It is advised that you: Weigh risks vs. benefits
  • you need to eat a lot so you dont get the nausea and vomiting. hard to prepare food when you have the flu.