Prevymis

letermovirMed Info

This medication is used to prevent disease caused by a virus called cytomegalovirus (CMV) in people who have received a bone marrow transplant. CMV disease can lead to serious infections in the body, including an infection in the eye, called CMV retinitis, that can cause blindness. Letermovir is an anti-viral drug. It works by stopping the growth of the virus.

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30 Tablets, 240 mg

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About Prevymis

Overview

This medication is used to prevent disease caused by a virus called cytomegalovirus (CMV) in people who have received a bone marrow transplant. CMV disease can lead to serious infections in the body, including an infection in the eye, called CMV retinitis, that can cause blindness. Letermovir is an anti-viral drug. It works by stopping the growth of the virus.

How to use

Read the Patient Information Leaflet if available from your pharmacist before you start taking letermovir and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth with or without food, as directed by your doctor, usually once daily. The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Swallow the tablet whole. Do not crush or chew because the drug has a bitter taste.

For the best effect, take this medication at evenly spaced times. To help you remember, take this medication at the same time every day.

Continue to take this medication until the full prescribed amount is finished. Stopping the medication too early may result in an infection.

Side effects

Nausea, diarrhea, vomiting, swelling ankles/feet, cough, or headache may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: fast/irregular heartbeat.

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.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Warnings & Precautions

Before taking letermovir, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease.

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.

Storage

Store at room temperature away from light and moisture in the original package. 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.

Drug interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. 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 doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

This medication can slow down the removal of other medications from your body, which may affect how they work. Examples of affected drugs include ergot alkaloids (such as ergotamine, dihydroergotamine), flibanserin, pimozide, certain statin drugs (such as pitavastatin, simvastatin), among others.

Other medications can affect the removal of letermovir from your body, which may affect how letermovir works. Examples include bosentan, certain HIV NNRTIs (such as efavirenz, etravirine, nevirapine), nafcillin, rifamycins (such as rifabutin, rifampin), St. John's wort, thioridazine, drugs used to treat seizures (such as carbamazepine, phenytoin), among others.

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. Canada residents can call a provincial poison control center.

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Missed Doses:

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.

Notes:

Do not share this medication with others.

This medication has been prescribed for your current condition only. Do not use it later to prevent another infection unless your doctor tells you to.

Selected from the Licensed Solutions data included with permission and copyrighted by FDB, inc., 2014. This copyrighted material has been downloaded and Licensed data provider and is not for distribution in professional healthcare settings. This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking any drug or commencing or discontinuing any course of treatment. 

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