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Nirmatrelvir-ritonavir
Pronounced nir-mah-TREL-veer ri-TON-ah-veer
Brand names: Paxlovid
Type: Antiviral combination (COVID-19) · All Antibiotics & Infection Medicines
What Nirmatrelvir-ritonavir is used for
- COVID-19 in higher-risk outpatients, started early
- COVID-19 in higher-risk patients unable to use other first-line options
◆ Kidney note
The dose is lowered when kidney function is moderately reduced, and it is not recommended in severe kidney failure on current labeling.
Common side effects
- Unpleasant or metallic taste
- Diarrhea
- Nausea
- Muscle aches
Important cautions
- Interacts with a very large number of medicines, including transplant anti-rejection drugs, some statins, and blood thinners — a complete medication review is essential before starting
- Must be started within the first days of symptoms to help
How it comes
Tablets. This guide lists forms only — it never lists strengths or doses.
Related medicines — Antibiotics & Infection Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.