What are the most common side effects of OSELTAMIVIR?

Reported side effects vary by individual. The side-effects section on this page lists the events most frequently reported to FDA FAERS for OSELTAMIVIR. FAERS is voluntary reporting, so it reflects what was reported, not absolute incidence.

Is OSELTAMIVIR the same as OSELTAMIVIR?

OSELTAMIVIR is a brand name for OSELTAMIVIR. They share the same active ingredient and FDA-approved indications. Biosimilars and authorised generics may differ in inactive ingredients such as buffers or preservatives.

OSELTAMIVIR

Q: What is OSELTAMIVIR used for?

OSELTAMIVIR (brand name OSELTAMIVIR) is a Antiviral (Influenza) indicated for 1 INDICATIONS AND USAGE Oseltamivir phosphate capsule is an influenza neuraminidase inhibitor (NAI) indicated for: Treatment of acute.

Q: How does OSELTAMIVIR work?

OSELTAMIVIR works through the following mechanism: 12.1 Mechanism of Action Oseltamivir is an antiviral drug with activity against influenza virus [see Microbiology (12.4)]..

Antiviral (Influenza)

Brand names: OSELTAMIVIR, Tamiflu

Oral

Mechanism of Action

12.1 Mechanism of Action Oseltamivir is an antiviral drug with activity against influenza virus [see Microbiology (12.4)].

Indications

1 INDICATIONS AND USAGE Oseltamivir phosphate capsule is an influenza neuraminidase inhibitor (NAI) indicated for: Treatment of acute

Contraindications

• Stevens-Johnson Syndrome
• and erythema multiforme [see Warnings and Precautions (5.1)] . Patients with known serious hypersensitivity to oseltamivir or any of the components of oseltamivir phosphate capsules (4)

FDA Warnings

5 WARNINGS AND PRECAUTIONS Serious skin/hypersensitivity reactions such as Stevens-Johnson Syndrome, toxic epidermal necrolysis and erythema multiforme: Discontinue oseltamivir phosphate capsules and initiate appropriate treatment if allergic-like reactions occur or are suspected
1) Neuropsychiatric events: Patients with influenza, including those receiving oseltamivir phosphate capsules, particularly pediatric patients, may be at an increased risk of confusion or abnormal behavior early in their illness
1 Serious Skin/Hypersensitivity Reactions Cases of anaphylaxis and serious skin reactions including toxic epidermal necrolysis, Stevens-Johnson Syndrome, and erythema multiforme have been reported in postmarketing experience with oseltamivir phosphate capsules
The use of oseltamivir phosphate capsules are contraindicated in patients with known serious hypersensitivity to oseltamivir phosphate capsules [see Contraindications (4) and Adverse Reactions (6

Known Side Effects

8 documented side effects by frequency

Vomiting

>10%

Nausea

1-10%

Drug Not Working

1-10%

Diarrhea

1-10%

Shortness of Breath

1-10%

Headache

1-10%

Fever

1-10%

Rash

0.1-1%

Community Discussions

6 Reddit threads analysed for OSELTAMIVIR

Overall Sentiment

Mixed

Comparison Threads

Avg Post Score

37 upvotes

Patient Experiences (r/pharmacy, r/AskDocs & more)

Tamiflu for COVID-19? Anyone else seen this yet?

So I got a prescription for oseltamivir 30 mg with instructions to take 1-2 tablets 6 times a day as needed. I called on it right away because that sig made no sense at all. I didn't even realize that the prescriber was a dentist until I called the office and was told he wasn't available right now.

r/pharmacy141464y ago

I broke down crying in front of all patients during my internship

This woman, let’s call her S, came in Friday and said “Hi can you help me the other pharmacy was so cruel and refused” and I listened to her story. Apparently she just missed doctor by few minutes. She wanted the doctor to write a prescription for her and her daughter for viral infection. She said

r/pharmacy62551y ago

Caremark won't pay for more than 1 bottle of oseltamivir

Anyone else run into this? I've gotten multiple rejections for plan limit, saying they will pay for 75 every 180 days (hasn't been filled this year). Talking with ins. reps goes nowhere. Also do you guys fill 2 or 3 bottles when you get an rx that requires 125mls?

r/pharmacy10226y ago

Expiration dates of Tamiflu

Does anyone know of a source where one could look up typical expiration dates of medications before they order a ton? Tamiflu, as an example, if it's good for 2 years, I'd be less hesitant to order a little surplus. As a bonus, has anyone recently received any oseltamivir? Mind sharing your expira

r/pharmacy6101y ago

Oseltamivir/tamiflu renal adjustment in treatment

Hey I’ve always dosed Tamiflu from 75bid to 30bid for crcl 30-60. Just had a guy telling me 75mg once daily is fine. Can’t find any articles to reflect that. Anyone have a reference on that? Or seen it? Thanks

r/pharmacy3124mo ago

Settle and debate with my tech

Does 120ml of oseltamivir suspension fit in a 4 oz rx bottle?

r/pharmacy1206y ago

Community discussions are sourced from public Reddit threads. Content reflects individual opinions and is not medical advice.

Primary sources

Every figure on this page links back to its primary source. See data sources for full provenance.

DailyMed FDA label search → OSELTAMIVIR openFDA label JSON → OSELTAMIVIR FAERS adverse-event reports → OSELTAMIVIR ClinicalTrials.gov → completed Phase 2+ trials of OSELTAMIVIR

Compare With

1 available comparisons

vs OSELTAMIVIR PHOSPHATE

Formulations

Dosage Forms

Tablet

Route

Oral