What happens if I miss a dose (Zelboraf)?
Take the missed dose as soon as you remember. Skip the missed dose if your next dose is less than 4 hours away. Do not take extra medicine to make up the missed dose.
What happens if I overdose (Zelboraf)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking vemurafenib (Zelboraf)?
Avoid exposure to sunlight or tanning beds. Vemurafenib can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
What other drugs will affect vemurafenib (Zelboraf)?
Many drugs can interact with vemurafenib. Below is just a partial list. Tell your doctor if you are using:
- a blood thinner such as warfarin (Coumadin, Jantoven);
- cyclosporine (Gengraf, Neoral, Sandimmune), sirolimus (Rapamune) or tacrolimus (Prograf);
- digoxin (digitalis, Lanoxin, Lanoxicaps);
- theophylline (Elixophyllin, Theo-24, Theochron, Uniphyl);
- ADHD medication such as Adderall, Concerta, Daytrana, Metadate, Ritalin, Strattera;
- an antibiotic such as clarithromycin (Biaxin), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole), rifampin (Rifater, Rifadin, Rifamate), rifabutin (Mycobutin), rifapentine (Priftin), or telithromycin (Ketek);
- an antidepressant such as amitriptyline (Elavil, Vanatrip, Limbitrol), desipramine (Norpramin), doxepin (Sinequan, Silenor), duloxetine (Cymbalta), fluoxetine (Prozac, Sarafem, Symbyax), nefazodone, nortriptyline (Pamelor), paroxetine (Paxil, Pexeva), sertraline (Zoloft), venlafaxine (Effexor), and others;
- antifungal medication such as itraconazole (Sporanox), ketoconazole (Nizoral), miconazole (Oravig), or voriconazole (Vfend);
- cancer medicine such as doxorubicin (Adriamycin, Doxil), lomustine (CeeNU), tamoxifen (Soltamox);
- ergot medicine such as ergotamine (Ergomar, Cafergot) or dihydroergotamine (D.H.E. 45, Migranal Nasal Spray);
- cough medicine such as dextromethorphan (Delsym, Robitussin Maximum Strength, Vicks 44, and others) or dihydrocodeine (Alahist DHC, J-Max DHC, Pancof-PD, Panlor, Trezix, Welltuss EXP, and others);
- pain medication such as codeine (Tylenol #3), hydrocodone (Lortab, Vicodin, Vicoprofen), oxycodone (OxyContin, Combunox, Roxicodone, Percocet), or tramadol (Ultram, Ultracet);
- heart or blood pressure medication such as betaxolol (Kerlone), captopril (Capoten), carvedilol (Coreg), labetalol (Normodyne), metoprolol (Dutoprol, Lopressor, Toprol), nicardipine (Cardene), pindolol (Visken), propranolol (Inderal), timolol (Blocadren);
- a heart rhythm medication such as disopyramide (Norpace), flecainide (Tambocor), mexilitene (Mexitil), procainamide (Procan, Pronestyl), propafenone (Rythmol), or quinidine (Quin-G);
- HIV/AIDS medicine such as atazanavir (Reyataz), delavirdine (Rescriptor), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir, Kaletra);
- medicine to treat psychiatric disorders, such as chlorpromazine (Thorazine), fluphenazine (Permitil), haloperidol (Haldol), pimozide (Orap), perphenazine (Trilafon), promethazine (Phenergan), risperidone (Risperdal), or thioridazine (Mellaril); or
- seizure medication such as carbamazepine (Carbatrol, Equetro, Tegretol), divalproex (Depakote), phenobarbital (Solfoton), phenytoin (Dilantin), or valproic acid (Depakene, Stavzor).
This list is not complete and there are many other drugs that can interact with vemurafenib. 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 vemurafenib.
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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