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 capsules and oral liquid contain 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;
- atorvastatin (Lipitor, Caduet) or rosuvastatin (Crestor);
- atovaquone (Malarone, Mepron) or quinine (Qualaquin);
- salmeterol (Advair, Serevent), theophylline (Elixophyllin, Theo-24, Uniphyl);
- steroids (oral, nasal, inhalation, or injectable)
- an antibiotic or antifungal medication;
- an antidepressant;
- any other HIV/AIDS medications;
- heart or blood pressure medication;
- insulin or diabetes medication you take by mouth;
- medications to treat leukemia;
- medicines used to prevent organ transplant rejection;
- medicine to treat a psychiatric disorder;
- erectile dysfunction medication (Viagra, Cialis, Levitra);
- narcotic pain medication such as fentanyl (Abstral, Actiq, Fentora, Duragesic, Lazanda, Onsolis);
- a sedative (such as BuSpar, Tranxene, Prosom, Dalmane); or
- seizure medication.
This list is not complete and many other medicines can interact with ritonavir. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor. Keep a list of all your medicines and show it to any healthcare provider who treats you.
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.
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