Protease Inhibitors stop HIV replication by preventing the enzyme protease from cutting the virus into shorter pieces that it needs to make copies of itself in newly infected cells. New copies are still made but they are defective and not completely formed so they can't infect other cells.

Norvir (ritonavir)

Usual Dosage
Most commonly used to boost the effects of other medications, primarily protease inhibitors. Dose of Norvir will vary according to what medication is being boosted.

Store capsules in the refrigerator. Take with food, preferably a high fat meal. Do not skip a dose. If you miss a dose, do not double the next dose.

Side Effects to report to your doctor immediately

• Nausea, vomiting or abdominal pain
• Numbness or tingling in the hands, feet or lips

Drug Interactions and Incompatibility

• Many drugs interact with Ritonavir therefore it is very important that you notify your doctor of all medications you are currently taking before starting Ritonavir.

All of your Antiviral Medications must be taken exactly as prescribed, without skipping or altering doses. Please notify you doctor if you have any problems with these or any of your medicines.