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MEDICAL INFORMATION
Paxlovid Key Facts
What is Paxlovid?
Paxlovid is the brand name for nirmatrelvir/ritonavir and is available as an oral tablet.
What dosages is Paxlovid available in?
Paxlovid is available as an oral tablet that contains nirmatrelvir 150 mg and ritonavir 100 mg.
What is Paxlovid used for?
Paxlovid is an antiviral and is used to treat Mild-to-moderate COVID-19 in people 12 years and older (and weighing over 88 lbs) who are at high risk for severe illness.
How does Paxlovid work?
Paxlovid is a combination of two different medications. Nirmatrelvir is a protease inhibitor. It treats COVID-19 by blocking a certain protease, which is a protein the virus needs to make copies of itself and continue to infect. Ritonavir is also a protease inhibitor. Low-dose ritonavir is included in Paxlovid to slow the breakdown of nirmatrelvir. This allows nirmatrelvir to stay in your body longer to fight COVID-19.
How do I take Paxlovid?
Paxlovid comes as a pre-packaged course of medication. Each dose of this medication is made up of three tablets taken together: two 150 mg nirmatrelvir tablets and one 100 mg ritonavir tablet. The typical dose is 300 mg of nirmatrelvir and 100 mg of ritonavir by mouth every 12 hours for 5 days. Your dose might be different if you have kidney problems.
Is it safe for me to take Paxlovid?
Paxlovid is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if any of the following apply:
History of clinically significant hypersensitivity reactions to the active ingredients (nirmatrelvir or ritonavir) or any other components. Co-administration with drugs highly dependent on CYP3A for clearance and for which elevated concentrations are associated with serious and/or life-threatening reactions.
Co-administration with potent CYP3A inducers where significantly reduced nirmatrelvir or ritonavir plasma concentrations may be associated with the potential for loss of virologic response and possible resistance.
Paxlovid Common Side Effects
Common side effects of Paxlovid:
- Changes in taste
- Diarrhea
Paxlovid Serious Side Effects
Serious side effects are rare with Paxlovid. Contact your healthcare provider immediately if you experience any of the following.
- Severe allergic reaction: trouble breathing; rash; fever; swelling of the face, lips, or throat
- Liver problems: dark urine, feeling tired, upset stomach or stomach pain, yellowing of the skin or whites of the eyes
Effects of other drugs, drug classes and over-the-counter products on Paxlovid
The following medications may interact with Paxlovid:
- Co-administration of Paxlovid can alter the plasma concentrations of other drugs and other drugs may alter the plasma concentrations of Paxlovid. Consider the potential for drug interactions prior to and during Paxlovid therapy and review concomitant medications during Paxlovid therapy
Who makes Paxlovid?
Pfizer
Is Paxlovid safe in pregnancy?
It is not known if Paxlovid can harm your unborn baby. Tell your healthcare provider right away if you are or if you become pregnant.
What is the generic name for Paxlovid?
Medical Disclaimer
NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.
The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.
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