What happens if I miss a dose (Viramune, Viramune XR)?
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.
If you have not taken nevirapine for 7 days in a row, call your doctor before you start taking the medicine again.
What happens if I overdose (Viramune, Viramune XR)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include swelling in your hands or feet, sleep problems, weight loss, fever, joint pain or swelling, red or tender bumps on your shins, wheezing, cough, or trouble breathing.
What should I avoid while taking nevirapine (Viramune, Viramune XR)?
Avoid drinking alcohol. It may increase your risk of liver damage.
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 nevirapine (Viramune, Viramune XR)?
There are many other medicines that can interact with nevirapine, or make it less effective. Before taking nevirapine, tell your doctor if you are using any of the following drugs:
- maraviroc (Selzentry);
- fentanyl (Actiq, Duragesic, Fentora, Onsolis), methadone (Diskets, Dolophine, Methadose);
- a blood thinner such as warfarin (Coumadin, Jantoven);
- an antibiotic such as clarithromycin (Biaxin) or rifabutin (Mycobutin);
- antifungal medicine such as fluconazole (Diflucan) or voriconazole (Vfend);
- ergot medicine such as ergotamine (Ergomar, Ergostat, Cafergot, Ercaf, Wigraine), dihydroergotamine (D.H.E. 45, Migranal), ergonovine (Ergotrate), or methylergonovine (Methergine);
- heart or blood pressure medications such as amiodarone (Cordarone, Pacerone), diltiazem (Cartia, Cardizem), disopyramide (Norpace), felodipine (Plendil), nifedipine (Nifedical, Procardia), verapamil (Calan, Covera, Isoptin, Verelan), and others;
- medication to prevent organ transplant rejection;
- other HIV medicines such as darunavir (Prezista), fosamprenavir (Lexiva), nelfinavir (Viracept), indinavir (Crixivan), ritonavir (Norvir, Kaletra), or saquinavir (Invirase); or
- seizure medication such as carbamazepine (Tegretol), clonazepam (Klonopin), or ethosuximide (Zarontin).
Where can I get more information?
Your pharmacist can provide more information about nevirapine.
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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