Definition

Noun: - A brand name for the drug ritonavir: Norvir is a protease inhibitor medication used as part of antiviral therapy, primarily for the treatment of Human Immunodeficiency Virus (HIV) infection. It works by blocking the activity of a specific viral enzyme (protease), which prevents the virus from replicating correctly.

Usage Examples

• Noun:
  • The doctor added Norvir to the patient's antiretroviral regimen to boost the effectiveness of the other medications.
  • A common side effect of Norvir is gastrointestinal discomfort.

Advanced Usage

• Pharmacological Boosting: In advanced HIV treatment, a low dose of Norvir (ritonavir) is frequently used not for its own antiviral effect, but to inhibit the metabolism of other protease inhibitors. This "boosts" or increases the concentration and prolongs the activity of the companion drug in the body, improving the overall regimen's efficacy.
  • The combination therapy uses Norvir as a pharmacokinetic enhancer for the primary drug.

Variants and Related Words

• Ritonavir (n): The generic, non-brand name for the drug Norvir.
  • The prescription was written for ritonavir, the generic equivalent of Norvir.

Synonyms

• Protease inhibitor (n): The class of antiretroviral drugs to which Norvir (ritonavir) belongs.
• Antiretroviral (n): A broader term for any drug used to treat retroviral infections like HIV.

Noun

1. a protease inhibitor (trade name Norvir) used in treating HIV