Molnupiravir Molnupiravir is an at-home, oral antiviral treatment for Covid-19 shown to reduce the risk of severe illness. It's a good option for patients who aren't able to take Paxlovid due to pre-existing conditions or the use of certain medications. Read more about Covid-19.
Start Covid-19 Consultation*Prescription treatment requires a virtual medical consultation with a medical provider to determine if a prescription is appropriate.
How to use this information

This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of a healthcare professional. Always ask your prescribing healthcare professional for complete information about this product and your specific health needs.

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What you should know about Molnupiravir: 
  • Molnupiravir is a product that the FDA is allowing to be given for emergency use to treat COVID-19. It is used by adults 18 years of age and older who have recently tested positive for coronavirus, have had mild to moderate symptoms for no more than 5 days and are not hospitalized. 
  • To receive this product you must also be at high risk for Covid-19 complications due to older age, obesity, or ongoing medical conditions (such as lung or heart disease or diabetes, among others). Talk to your medical provider about the risks and benefits of treatment with Molnupiravir. Molnupiravir works by preventing the growth of the virus that causes COVID-19. More information about the medication is available from the FDA Fact Sheet for Patients, Parents and Caregivers for Emergency Use.
  • There is limited information about how safe and effective Molnupiravir is for treating COVID-19. Study results show that Molnupiravir may help people who have recently tested positive for coronavirus stay out of the hospital. This product is not for use by people who are hospitalized due to Covid-19.
  • The information in this document reflects emerging data, which is evolving and subject to reassessment. Users should be aware of these considerations in their review of Molnupiravir, and it is always the responsibility of treating practitioners to exercise independent judgment in making care decisions.
How to take Molnupiravir: 
  • Take this medication by mouth with or without food as directed by your medical provider, usually every morning and evening, 12 hours apart, for 5 days.
  • Swallow the capsules whole. Do not open, break, or crush the capsules. Let your medical provider know if you cannot swallow the capsules whole. The dosage is based on your medical condition and response to treatment.
  • Continue to take this medication for the full time prescribed. Stopping the medication too early may allow the virus to continue to grow, which may result in a return of the infection or failure to protect you from the virus.
  • If your condition lasts or gets worse, login to your patient dashboard and request a callback right away.
Potential side effects: 
  • Diarrhea, nausea and dizziness may occur. If any of these effects last or get worse, request a medical provider callback.
  • A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
  • Information is limited and it is unknown at this time if Molnupiravir cause other serious side effects. This is not necessarily a complete list of possible side effects.
Precautions to be aware of
  • Before taking this medication, contact us if you have any allergies. This product may contain inactive ingredients which can cause allergic reactions or other problems.
  • Limited information is known at this time about other medical conditions that may affect how Molnupiravir works, or how it may affect other medical conditions.
  • Before using this medication, tell your medical provider or pharmacist your medical history.
  • To avoid spreading the virus, you should continue to take precautions such as self-isolation, wearing a mask, social distancing (physical distancing), washing hands, and not sharing personal items.
  • Request a medical provider callback if you are pregnant or plan to become pregnant. You should not become pregnant while taking Molnupiravir, as it may harm an unborn baby. Ask about reliable forms of birth control while using this medication and for 4 days after the last dose. If you become pregnant, request a medical provider callback right away to learn about the risks and benefits of this medication.
  • It is not known if this medication affects the sperm. Men with female partners of childbearing age should ask about the use of reliable forms of birth control while using this medication and for 3 months after stopping treatment.
  • It is unknown if Molnupiravir passes into breast milk. Because of the possible risk to the infant, breast-feeding is not recommended while using this drug and for 4 days after stopping the drug. Request a medical provider callback to discuss whether or not you should pump and discard your breast milk during treatment and for 4 days after the last dose of this drug.
Drug interactions
  • Drug interactions may change how your medications work or increase your risk for serious side effects.
  • Information is limited and it is unknown at this time if Molnupiravir has drug interactions. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your medical provider and pharmacist. 
  • Do not start, stop or change the dosage of any medicines without your medical provider's approval.
What to do in the event of an overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222.

Additional notes

Do not share this medication with others. Lab and/or medical tests (such as pregnancy tests) may be done while you are taking this medication. Keep all medical and lab appointments.

What to do if you miss a dose
  • If you miss a dose, take it as soon as you remember if it is less than 10 hours after the time you would usually take it.
  • If more than 10 hours have passed, skip the missed dose. Take your next dose at the regular time.
  • Do not double the dose to catch up.
How to store this medication
  • Store at room temperature away from light and moisture.
  • Do not store in the bathroom. Keep all medications away from children and pets.
  • Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
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