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FDA Safety Alerts

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Manufacturer Warnings

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FDA Labeling Changes

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NORVIR is indicated in combination with other antiretroviral agents for the treatment of HIV-1 infection.


There is currently no drug history available for this drug.

Other Information

NORVIR (ritonavir) is an inhibitor of HIV-1 protease with activity against the Human Immunodeficiency Virus (HIV) type 1.

Ritonavir is chemically designated as 10-Hydroxy-2-methyl-5-(1-methylethyl)-1- [2-(1-methylethyl)-4-thiazolyl]-3,6-dioxo-8,11-bis(phenylmethyl)-2,4,7,12- tetraazatridecan-13-oic acid, 5-thiazolylmethyl ester, [5S-(5R*,8R*,10R*,11R*)]. Its molecular formula is C37H48N6O5S2, and its molecular weight is 720.95. Ritonavir has the following structural formula:

Chemical structure for ritonavir.

Ritonavir is a white-to-light-tan powder. Ritonavir has a bitter metallic taste. It is freely soluble in methanol and ethanol, soluble in isopropanol and practically insoluble in water.

NORVIR soft gelatin capsules are available for oral administration in a strength of 100 mg ritonavir with the following inactive ingredients: Butylated hydroxytoluene, ethanol, gelatin, iron oxide, oleic acid, polyoxyl 35 castor oil, and titanium dioxide.

Norvir Manufacturers

  • Abbvie Inc.
    Norvir (Ritonavir) Capsule [Abbvie Inc.]
  • Abbvie Inc.
    Norvir (Ritonavir) Tablet, Film Coated Norvir (Ritonavir) Solution [Abbvie Inc.]

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