Ritonavir
Rate ThisRitonavir
The following information is an educational aid only. It is not intended as a medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.
Ritonavir
(rye TON a veer)
U.S. Brand Names
Norvir®
Canadian Brand Names
Norvir®; Norvir® SEC
Mexican Brand Names
Kaletra
Pharmacologic Category
Antiretroviral Agent, Protease Inhibitor
What key warnings should I know about before taking this medicine?
Ritonavir may not mix well with certain medicines. Serious reactions may occur. Check all medicine with healthcare provider.
Reasons not to take this medicine
• If you have an allergy to ritonavir or any other part of this medicine.
• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.
• If you are taking any of these medicines: Alfuzosin, amiodarone, astemizole, bepridil, cisapride, dihydroergotamine, ergonovine, ergotamine, flecainide, lovastatin, methylergonovine, midazolam, pimozide, propafenone, quinidine, St John's wort, simvastatin, thioridazine, triazolam, or voriconazole.
What is this medicine used for?
• This medicine is used to treat HIV infection.
How does it work?
• Ritonavir works to injure the virus and fight the infection.
How is it best taken?
• To gain the most benefit, do not miss doses.
• This medicine is usually taken with at least two other medicines.
• Use prescription as directed, even if feeling better.
• Take this medicine with food.
• Mix solution with chocolate milk, Ensure®, or Advera®.
• Shake solution well before use.
What do I do if I miss a dose? (does not apply to patients in the hospital)
• Take a missed dose as soon as possible and return to your regular schedule.
• Do not take a double dose or extra doses.
• Do not change dose or stop medicine. Talk with healthcare provider.
What are the precautions when taking this medicine?
• Do not run out of this medicine.
• If you have diabetes, talk with healthcare provider. Diabetes medicines may need adjustment.
• If you have hemophilia, talk with healthcare provider.
• If you have high cholesterol or are taking a cholesterol-lowering agent, talk with healthcare provider.
• If you have liver disease, talk with healthcare provider.
• Check medicines with healthcare provider. This medicine may not mix well with other medicines.
• Do not take St John's wort with this medicine. It may make this medicine less effective.
• If you are taking atorvastatin or sildenafil, talk with healthcare provider.
• To protect against sexually-transmitted diseases, use a latex condom.
• Tell healthcare provider if you are pregnant or plan on getting pregnant.
• Use birth control that you can trust to prevent pregnancy in HIV disease.
• Breast-feeding is not recommended in HIV disease.
What are some possible side effects of this medicine?
• High cholesterol level.
• Feeling lightheaded, sleepy, having blurred vision, or a change in thinking clearly. Avoid driving, doing other tasks or activities that require you to be alert or have clear vision until you see how this medicine affects you.
• Feeling dizzy. Rise slowly over several minutes from sitting or lying position. Be careful climbing.
• Nausea or vomiting. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
• Diarrhea.
• Not hungry.
• Abnormal taste. This is usually reversible.
• Change in body fat distribution.
• Headache.
• Belly pain.
• Numbness and tingling of feet or hands.
• Feeling tired or weak.
• Irritated pancreas can rarely occur.
• Liver damage can rarely occur.
What should I monitor?
• Change in condition being treated. Is it better, worse, or about the same?
• If you are diabetic, you will need to monitor blood sugars closely.
• Check blood work regularly. Talk with healthcare provider.
• Check cholesterol panel before starting treatment.
• Follow up with healthcare provider.
Reasons to call healthcare provider immediately
• If you suspect an overdose, call your local poison control center or emergency department immediately.
• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
• Severe nausea or vomiting.
• Severe diarrhea.
• Increased trips to the bathroom, increased thirst, or weight loss.
• Any rash.
• No improvement in condition or feeling worse.
How should I store this medicine?
• Store capsules in original container in a refrigerator or at room temperature. If stored at room temperature throw away any unused portion after one month.
• Protect capsules from light.
• Store solution in original container at room temperature. Keep cap tightly closed. Throw away when expiration date has been reached.
General statements
• If you have a life-threatening allergy, wear allergy identification at all times.
• Do not share your medicine with others and do not take anyone else's medicine.
• Keep all medicine out of the reach of children and pets.
• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).
• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.
Created: 2006-10-13 15:34:05.0
Modified: 2008-04-30 11:13:15.0
Lexi-PALSTM © (1977)-(2007) Lexi-Comp, Inc. All rights reserved.

