Norvir is the brand formulation of Ritonavir and belongs to a class of drugs called as protease inhibitors. It is an antiviral medicine which is used to treat patients who suffer from HIV or AIDS. This medication prevents HIV from multiplying in the body and helps the immune system to work better.

Important information

Ritonavir is used with other medications to control HIV infections in a patient. It lowers the chance of being affected of medical complications like cancer or any new infections.

Protease inhibitors help this antiviral medication to work effectively. Blood as well as the function of liver should be tested on a regular basis.

You have to be very careful when you take Norvir, this medication would interact with so many drugs and it can also be fatal. So tell your doctor about all the drugs that you are taking.

Even while taking Norvir, you would transmit HIV. So, do not engage in unprotected sex or share your razors and needles.

Norvir is not known to show severe effects on fetus but if you did not treat HIV while on pregnancy, the condition would pass to an unborn baby.

Never breast feed a child. If you breast feed a healthy baby, HIV would be passed on to a child through milk.

Ask your doctor to suggest effective barrier method to prevent pregnancy as norvir would make birth control pills ineffective.


Norvir should be taken orally with food. It is usually taken one or two times a day. It is very essential to consult the healthcare provider before taking this drug. This pill is available in two different variations such as capsules and liquid.

Do not crush, chew or break the capsules and swallow as a whole. Measure the syrup using a dose measuring spoon to avoid over dose while taking the medication in a liquid form. Liquid Norvir can be mixed with milk or any nutrition drink and can be consumed.

Take this drug regularly to get maximum benefit. Since the dosage strength for children is based on weight as well as height, tell the doctor if there are any changes in them. Pills should be stored at room temperature away from heat and moisture.

Missing a dose and Overdose

Unless the missed dose of Norvir does not clash with the timing of the next dose, you can take the missed one immediately. If the time conflicts then it is better to skip taking the missed pill. Doubling of the dosage strength to compensate with the missed dose should not be done as it would lead to drug overdose.

Side effects

Just like other drugs, side effects may be triggered while taking Ritonavir.

  • Light headed feeling,
  • irregular heartbeat,
  • unusual bleeding,
  • easy bruising,
  • pancreas problems,
  • kidney diseases,
  • high blood sugar,
  • drowsiness,
  • vision defects,
  • dry mouth,
  • weight loss,
  • hunger,
  • skin rash,
  • loss of appetite.

It is very important to seek medical assistance regarding side effects as soon as possible.

Relative Contraindications

Certain medications that cause interaction with Norvir drug can be avoided during the course of therapy. Antibiotics, anti-fungal, antidepressant, cancer medicine, cholesterol lowering medicine, heart or blood pressure medicine, a sedative, seizure, erectile dysfunction drugs are some among them that interacts with this drug.

It is essential to consult with the health care provider before taking this antiviral medication. Taking Norvir pill does not prevent transmitting HIV to other person. Hence talk with the doctor about the safety measures that could prevent HIV transmission to another person. Consult the healthcare provider if a patient is pregnant, nursing a baby or planning to become pregnant..


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