Active substance

Results for the substance fostemsavir

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About this active substance

Fostemsavir is an antiviral medication used to treat HIV-1 infection in adults who have exhausted other treatment options due to resistance to multiple classes of drugs. It works by blocking the attachment of the HIV virus to immune system cells, thereby preventing the virus from multiplying in the body.

Fostemsavir is taken orally as tablets, usually twice a day, as directed by your doctor. It is important to take the medication regularly and not to stop treatment without your specialist's advice, to prevent the development of viral resistance.

Side effects may include nausea, headache, fatigue, diarrhea, or skin rashes. In rare cases, severe allergic reactions or changes in liver function may occur. Any unusual or severe symptoms should be reported to your doctor immediately.

Fostemsavir provides an important option for patients with HIV-1 who have limited treatment choices, but its use requires careful medical monitoring. Follow your doctor's instructions and do not change the dose without consulting them to ensure the therapy's effectiveness and safety.