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Molnupiravir is an antiviral medicine used to treat Covid-19. This Covid-19 medicine may 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. The brand name version of Molnupiravir is called Lagevrio.

* Prescription treatment requires a virtual medical consultation with a medical provider to determine if a prescription is appropriate.

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How Dr. B treats Covid

Health assessment

Tell us about your condition with a $15 online consultation—no video call necessary.

Provider review

A medical provider will review your information and prescribe treatment, if appropriate.

Get your medication

Pick up and pay for the medication at the pharmacy of your choice. Or, get it delivered.

About Molnupiravir

How does it work?

Molnupiravir is an antiviral medication that stops the Covid-19 virus from making copies of itself. This keeps the virus from spreading around the body and helps the immune system fight off the infection more effectively.

What does it treat?

This Covid-19 medicine is used to treat mild to moderate Covid-19. It’s prescribed to adults who are at high risk of getting sicker and who cannot take other Covid-19 treatments.

What forms does it come in?

This medicine is taken as a capsule that you swallow.

Molnupiravir vs. Lagevrio

Molnupiravir is the generic name for the drug, while Lagevrio is the brand name. Brand and generic medications are equally safe and effective. Generic medications may be less expensive depending on the type of insurance that you have.

The brand drug Lagevrio is not currently available through Dr. B.

How much will it cost?

Dr. B offers online consultations for $15—which is less than most copays. If a Covid prescription is appropriate, your out-of-pocket medication cost will depend on your insurance and where you decide to get your prescription filled. With a drug discount card, prices for Molnupiravir (40 capsules) start at $2.50.

* Prices shown with drug discount card applied. Price may differ depending on location.

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Starting at

Molnupiravir (40 capsules)*

More Covid-19 Prescription Treatments

Looking for a different medication? Here are some options.

Common Questions

Molnupiravir prescription FAQ

What are the benefits of taking Molnupiravir?
  • Reduces risk of hospitalization
  • Reduces risk of death
  • Treats mild to moderate Covid-19
  • Starts working quickly
  • Safe for most people
Who should not take this medication?
  • Pregnant women
  • Women trying to get pregnant
  • People who are breastfeeding
  • People who have had an allergic reaction to Molnupiravir

Tell your health provider about your medical history and if you take any medications before starting this Covid-19 treatment. It’s also important to use birth control while taking this medicine and for at least four days after stopping treatment.

How do you take this medication?

This medicine is taken as a pill, twice a day for 5 days. You should swallow the pills whole with water. Do not open, break or crush them.

It is important to start taking this antiviral medication as soon as possible after you are diagnosed with Covid-19. You should take the pills even if you start to feel better. The full course of treatment is 5 days.

What happens if I miss a dose?

If you miss a dose of Molnupiravir, take it as soon as you remember. However, if it’s been more than 10 hours since your last scheduled dose, skip the missed one and continue with your regular schedule.

What happens if I take too much?

Taking too much of this medicine may cause serious side effects. If you’ve taken too much, call your medical provider or local poison control center (800-222-1222) immediately.

Can I get Molnupiravir online?

Dr. B provides convenient online health consultations for people who need Covid-19 medications. To get started, just fill out a short health questionnaire about your health history and current symptoms. A licensed medical provider will review your results and, if appropriate, send a prescription to the pharmacy you choose.

Dr. Sudip Bose

Medical information reviewed by Dr. Sudip Bose

Sudip Bose, MD is a world-leading emergency medicine physician, combat veteran, professor, and entrepreneur. With a wide variety of experience, Dr. Bose is focused on endeavors with large-scale health and educational impact. He founded The Battle Continues, a nonprofit assisting veterans with healthcare needs. Dr. Bose is also a clinical professor at Texas Tech and University of Illinois College of Medicine. He is a graduate of the honors program at Northwestern University, where he continued his medical school education at The Feinberg School of Medicine.

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Side Effects

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Most people don’t have any side effects when taking this medicine. If side effects do occur, they’re usually mild. Those most common side effects are:

  • Diarrhea
  • Nausea
  • Dizziness

If you experience severe side effects like changes in heart rate or rhythm, liver problems or blood clotting—or other new and worrying symptoms—contact your health provider or pharmacist immediately.