What happens if I miss a dose (Norvir)?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Norvir)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of ritonavir oral liquid could be fatal to a child.
What should I avoid while taking ritonavir (Norvir)?
If you also take didanosine (Videx), take it at least 2.5 hours before or after you take ritonavir.
Ritonavir oral liquid contains alcohol. Avoid drinking alcoholic beverages while using this medicine, and do not take disulfiram (Antabuse) or you could have an alcohol reaction.
Taking this medication will not prevent you from passing HIV to other people. Avoid having unprotected sex or sharing razors or toothbrushes. Talk with your doctor about safe ways to prevent HIV transmission during sex. Sharing drug or medicine needles is never safe, even for a healthy person.
What other drugs will affect ritonavir (Norvir)?
Many drugs can interact with ritonavir. Below is just a partial list. Tell your doctor if you are using:
- ADHD medication;
- atovaquone (Malarone, Mepron) or quinine (Qualaquin);
- bosentan (Tracleer);
- colchicine (Colcrys);
- salmeterol (Advair, Serevent);
- theophylline (Elixophyllin, Theo-24, Uniphyl);
- steroid medication (prednisone, Advair, Flonase, Flovent, DexPak, Dexasone, Cortastat, and others);
- an antibiotic (such as Biaxin, Mycobutin, Rifadin, Rimactane, Rifamate, Rifater);
- an antifungal medication (such as Nizoral or Sporanox);
- an antidepressant (Elavil, Vanatrip, Wellbutrin, Norpramin, nefazodone, Paxil, Zoloft, Desyrel, and others);
- heart or blood pressure medication (Lopressor, Toprol, Blocadren, Norpace, Mexitil, digitalis, Lanoxin, Cartia, Cardizem, Plendil, Nifedical, Procardia, Calan, Covera, Isoptin, Verelan, and others);
- cholesterol-lowering medicine (such as Lipitor, Zocor, Crestor);
- medicines used to prevent organ transplant rejection;
- any other HIV/AIDS medicines (especially Invirase, Prezista, Rescriptor, Lexiva, Crixivan, or Aptivus);
- insulin or diabetes medication you take by mouth;
- medicine to treat a psychiatric disorder;
- erectile dysfunction medication (Viagra, Cialis, Levitra;
- pain medication (such as Demerol, Darvon, Darvocet, Ultram, Ultracet);
- a sedative (such as BuSpar, Tranxene, Prosom, Dalmane); or
- seizure medications (such as Carbatrol, Tegretol, Lamictal, Klonopin, Depakote, Zarontin, Dilantin).
Where can I get more information?
Your pharmacist can provide more information about ritonavir.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.
Copyright 1996-2012 Cerner Multum, Inc. Version: 14.02. Revision date: 12/15/2010.
Your use of the content provided in this service indicates that you have read,understood and agree to the End-User License Agreement,which can be accessed by clicking on this link.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill finder tool on RxList.