Oseltamivir phosphate and Fever - a phase IV clinical study of FDA data

Summary:

Fever is reported as a side effect among people who take Oseltamivir phosphate (oseltamivir phosphate), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Ondansetron, and have The flu.

The phase IV clinical study analyzes which people have Fever when taking Oseltamivir phosphate. It is created by eHealthMe based on reports of 1,808 people who have side effects when taking Oseltamivir phosphate from the FDA, and is updated regularly.

What is Oseltamivir phosphate?

Oseltamivir phosphate has active ingredients of oseltamivir phosphate. eHealthMe is studying from 1,825 Oseltamivir phosphate users. Check the latest studies of Oseltamivir phosphate.

What is Fever?

Fever is found to be associated with 3,495 drugs and 6,197 conditions by eHealthMe. Check the latest studies of Fever.

On Aug, 07, 2026

1,808 people reported to have side effects when taking Oseltamivir phosphate.
Among them, 88 people (4.87%) have Fever.

Could Oseltamivir phosphate cause Fever?

Among these 88 people:

How long have people been on Oseltamivir phosphate when they have Fever? *

What is the gender of people who have Fever when taking Oseltamivir phosphate? *

female: 49.41 %
male: 50.59 %

What is the age of people who have Fever when taking Oseltamivir phosphate? *

What are other drugs people take besides Oseltamivir phosphate? *

Acetaminophen: 9 people, 10.23%
Ondansetron: 9 people, 10.23%
Sodium Chloride: 8 people, 9.09%
Ibuprofen: 8 people, 9.09%
Gabapentin: 8 people, 9.09%
Furosemide: 8 people, 9.09%
Methylprednisolone Sodium Succinate: 8 people, 9.09%
Vitamin D3: 8 people, 9.09%
Meropenem: 7 people, 7.95%
Ipratropium Bromide: 7 people, 7.95%

What are other side effects people have besides Fever? *

Headache (pain in head): 21 people, 23.86%
Cough: 21 people, 23.86%
Nausea And Vomiting: 20 people, 22.73%
Nausea (feeling of having an urge to vomit): 19 people, 21.59%
Pneumonia: 18 people, 20.45%
Pain: 16 people, 18.18%
Pleural Effusion (water on the lungs): 14 people, 15.91%
Fatigue (feeling of tiredness): 12 people, 13.64%
Diarrhea: 12 people, 13.64%
Dyspnea (difficult or laboured breathing): 11 people, 12.50%

What are the existing conditions these people have? *

The Flu (the flu is caused by an influenza virus): 28 people, 31.82%
Nausea And Vomiting: 9 people, 10.23%
Constipation: 7 people, 7.95%
Nausea (feeling of having an urge to vomit): 6 people, 6.82%
Dyspnea (difficult or laboured breathing): 6 people, 6.82%
Stress And Anxiety: 6 people, 6.82%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 5 people, 5.68%
Multiple Myeloma (cancer of the plasma cells): 5 people, 5.68%
Neuralgia (pain in one or more nerves): 5 people, 5.68%
Hyperphosphataemia (electrolyte disturbance in which there is an abnormally elevated level of phosphate in the blood): 5 people, 5.68%

* Approximation only. Some reports may have incomplete information.

Do you take Oseltamivir phosphate and have Fever?

- Check whether Fever is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Oseltamivir phosphate:

Oseltamivir phosphate (1,825 reports)

Fever treatments and more:

Fever (498,666 reports)

Browse all side effects of Oseltamivir phosphate:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Fever:

Fever (3,495 drugs)

Browse all the conditions that are associated with Fever:

Fever (6,197 conditions)

Related publications that referenced our studies

Schiller D, Maieron A, Sch?fl R, Donnerer J, "Drug fever due to a single dose of pantoprazole", Pharmacology, 2015 Jan .
Schiller D, Maieron A, Sch?fl R, Donnerer J, "Drug fever due to a single dose of pantoprazole", Pharmacology, 2015 Jan .

How the study uses the data?

The study uses data from the FDA. It is based on oseltamivir phosphate (the active ingredients of Oseltamivir phosphate) and Oseltamivir phosphate (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.