What happens if I miss a dose (Lexiva)?
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 (Lexiva)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking fosamprenavir (Lexiva)?
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 fosamprenavir (Lexiva)?
Many other drugs can cause serious or life-threatening drug interactions if you use them while taking fosamprenavir. Tell your doctor if you are also using:
- atorvastatin (Lipitor, Caduet);
- itraconazole (Sporanox) or ketoconazole (Nizoral);
- an antidepressant such as amitriptyline (Elavil, Vanatrip, Limbitrol), imipramine (Janimine, Tofranil), or paroxetine (Paxil);
- any other HIV /AIDS medication;
- a blood thinner such as warfarin (Coumadin, Jantoven);
- drugs that weaken the immune system, such as cyclosporine (Gengraf, Neoral, Sandimmune), sirolimus (Rapamune), or tacrolimus (Prograf);
- heart rhythm medication such as amiodarone (Cordarone, Pacerone), lidocaine, or quinidine (Quin-G);
- heart or blood pressure medicine such as amlodipine (Norvasc, Caduet, Exforge, Lotrel, Tekamlo, Tribenzor, Twynsta, Amturnide), diltiazem (Cartia, Cardizem), nifedipine (Nifedical, Procardia), verapamil (Calan, Covera, Isoptin, Verelan), and others;
- insulin or diabetes medication you take by mouth;
- medicines to treat erectile dysfunction, such as sildenafil (Viagra), tadalafil (Cialis), or vardenafil (Levitra);
- steroid medicine such as dexamethasone (Cortastat, Dexasone, Solurex, DexPak) or fluticasone (Advair, Flonase, Flovent);
- seizure medications such as carbamazepine (Carbatrol, Equetro, Tegretol), phenobarbital (Luminal, Solfoton), or phenytoin (Dilantin); or
- stomach acid reducers such as cimetidine (Tagamet), famotidine (Pepcid), nizatidine (Axid), or ranitidine (Zantac).
This list is not complete and there are many other drugs that can interact with fosamprenavir. 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 fosamprenavir.
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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