Prevymis (Letermovir Tablet) 240mg

Prevymis (letermovir) 240mg tablets are an antiviral medication used to prevent cytomegalovirus (CMV) infection in certain high-risk patients. This oral treatment helps manage CMV reactivation after stem cell or organ transplants. Order online for convenient delivery.

Strength

240mg

Pack Size

28s

Storage

Ambient

Manufacturer / TM Owner

MSD Sharp & Dohme

Select Quantity

Pack/s

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Indications & Clinical Uses

Prevymis 240mg tablets are prescribed to prevent cytomegalovirus (CMV) infection in adults who have undergone an allogeneic hematopoietic stem cell transplant (HSCT) and are at risk for CMV reactivation. It may also be used in kidney transplant recipients with CMV infection risk. Letermovir works by blocking CMV replication, helping to reduce the likelihood of CMV-related complications. This medication is not a cure for existing CMV but supports prevention in high-risk groups.

Side Effects

Prevymis 240mg tablets are taken by mouth and may help reduce the risk of CMV infection following transplant procedures. Common effects include mild gastrointestinal discomfort or headache in some users. Most people tolerate the medication well, though individual responses may vary. It is important to follow the prescribed schedule to maintain consistent protection.

Precautions & Warnings

Store Prevymis 240mg tablets at room temperature, away from moisture and heat. Keep the medication in its original packaging until ready to use. Inform your healthcare provider about all current medications and medical conditions before starting letermovir. Regular monitoring may be required to assess treatment progress and detect any potential issues early.

Avoid Interactions

Prevymis can interact with certain medications, including those metabolized by the liver enzyme CYP3A. Avoid combining it with strong CYP3A inducers like rifampin or St. John’s wort, as these may reduce letermovir’s effectiveness. Caution is advised when using drugs that affect heart rhythm, such as certain antiarrhythmics. Always consult a healthcare professional before starting or stopping any medication while taking Prevymis.

Frequently Asked Questions

Prevymis (letermovir) is used to prevent cytomegalovirus (CMV) infection in adults who have had a stem cell or organ transplant.

Take Prevymis exactly as prescribed by your doctor, usually once daily with or without food.

No, Prevymis requires a valid prescription from a licensed healthcare provider for purchase.

Common side effects may include headache, nausea, or diarrhea; report persistent issues to your doctor.

The safety of Prevymis during pregnancy has not been established; discuss risks and benefits with your healthcare provider.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated: 29 Jul 2026

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