<unk> , also known as<unk> , is an antiviral medication used to treat RSV infection, hepatitis C and some viral hemorrhagic fevers. For hepatitis C, it is used in combination with other medications such as simeprevir, sofosbuvir, peginterferon alfa-2b or peginterferon alfa-2a. Among the viral hemorrhagic fevers it is used for Lassa fever, Crimean–Congo hemorrhagic fever, and Hantavirus infection but should not be used for Ebola or Marburg infections.<unk>  is taken by mouth or inhaled. Common side effects include feeling tired, headache, nausea, fever, muscle pains, and an irritable mood. Serious side effects include red blood cell breakdown, liver problems, and allergic reactions. Use during pregnancy results in harm to the baby. Effective birth control is recommended for both males and females for at least seven months during and after use. The mechanism of action of<unk>  is not entirely clear.<unk>  was patented in 1971 and approved for medical use in 1986. It is on the World Health Organization's List of Essential Medicines. It is available as a generic medication.
Ribavirin
Taribavirin
Telaprevir
Saquinavir
Abacavir
Lamivudine
Glecaprevir
Paritaprevir