"The U.S. Food and Drug Administration today announced that new safety information has been added to the label for the HIV antiviral drug Invirase (saquinavir), describing potentially life-threatening side effects on the heart when used with Norvi"...
Norvir Patient Information including How Should I Take
In this Article
- What is ritonavir (Norvir)?
- What are the possible side effects of ritonavir (Norvir)?
- What is the most important information I should know about ritonavir (Norvir)?
- What should I discuss with my healthcare provider before taking ritonavir (Norvir)?
- How should I take ritonavir (Norvir)?
- What happens if I miss a dose (Norvir)?
- What happens if I overdose (Norvir)?
- What should I avoid while taking ritonavir (Norvir)?
- What other drugs will affect ritonavir (Norvir)?
- Where can I get more information?
What should I discuss with my healthcare provider before taking ritonavir (Norvir)?
You should not take ritonavir if you are allergic to it.
Life-threatening side effects may occur if you take ritonavir with:
- alfuzosin (Uroxatral);
- amiodarone (Cordarone, Pacerone);
- cisapride (Propulsid);
- flecainide (Tambocor);
- lovastatin (Mevacor, Altoprev, Advicor) or simvastatin (Zocor, Simcor, Vytorin, Juvisync);
- midazolam (Versed) or triazolam (Halcion);
- pimozide (Orap);
- propafenone (Rythmol);
- quinidine (Quin-G);
- sildenafil (Revatio) when used to treat pulmonary arterial hypertension (PAH);
- St. John's wort;
- voriconazole (Vfend); or
- ergot medicine such as ergotamine (Ergomar, Cafergot, Migergot), dihydroergotamine (D.H.E. 45, Migranal), ergonovine (Ergotrate), or methylergonovine (Methergine).
To make sure you can safely take ritonavir, tell your doctor if you have any of these other conditions:
- liver disease (especially hepatitis B or C);
- heart disease or heart rhythm disorder;
- a bleeding disorder such as hemophilia; or
- high cholesterol or triglycerides.
FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby, but HIV can be passed to your baby if you are not properly treated during pregnancy. Take all of your HIV medicines as directed to control your infection.
Women with HIV or AIDS should not breast feed a baby. Even if your baby is born without HIV, the virus may be passed to the baby in your breast milk.
Ritonavir can make birth control pills or patches less effective. Ask your doctor about using a non-hormone method of birth control (such as a condom, diaphragm, spermicide) to prevent pregnancy while taking ritonavir.
How should I take ritonavir (Norvir)?
Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.
Ritonavir tablets must be taken with meals. Ritonavir capsules or liquid should be taken with food if possible.
Do not crush, chew, or break a ritonavir tablet. Swallow it whole.
Shake ritonavir liquid well just before you measure a dose. Measure the liquid with a special dose-measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Liquid ritonavir can be mixed with chocolate milk or a nutrition drink such as Ensure. Drink the mixture within 1 hour after mixing.
Use ritonavir regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.
HIV/AIDS is usually treated with a combination of drugs. Use all medications as directed by your doctor. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice. Every person with HIV or AIDS should remain under the care of a doctor.
Your blood will need to be tested on a regular basis. Your liver function may also need to be tested. Visit your doctor regularly.
Store ritonavir capsules in the refrigerator or at room temperature, away from heat or moisture. If you store the capsules at room temperature you must use them within 30 days. Protect from light.
Store ritonavir tablets at room temperature away from heat or moisture.
Store ritonavir liquid at room temperature with the cap tightly closed. Do not refrigerate.
Additional Norvir Information
- Norvir Drug Interactions Center: ritonavir oral
- Norvir Side Effects Center
- Norvir Overview including Precautions
- Norvir FDA Approved Prescribing Information including Dosage
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