Paxlovid (by pfizer);does not prevent COVID-19; it is a treatment for those who have already contracted the virus.

Paxlovid (nirmatrelvir/ritonavir) is an antiviral medication used to treat COVID-19 in certain patients. Like all medications, it may cause side effects. Here are the most common and serious ones:

Common Side Effects

1. Altered taste (dysgeusia)

A metallic or bitter taste in the mouth.

2. Diarrhea

Mild gastrointestinal discomfort.

3. Muscle aches

Myalgia or general body aches.

4. High blood pressure

Slight increase in blood pressure.

5. Fatigue

Feeling unusually tired or weak.


Serious Side Effects

1. Liver problems

Symptoms: yellowing of the skin or eyes (jaundice), dark urine, nausea, or abdominal pain.

2. Allergic reactions

Symptoms: rash, itching/swelling (especially of the face or throat), severe dizziness, or difficulty breathing.

3. Drug interactions

Paxlovid can interact with other medications due to ritonavir's effect on liver enzymes, potentially causing serious effects.


Warnings and Precautions

Kidney and liver issues: Dose adjustments may be needed.

Pregnancy/Breastfeeding: Consult your doctor as safety data is limited.


If you experience any severe or unusual symptoms, contact your healthcare provider immediately.