What may interact with this medicine?

• carbamazepine
• cisapride
• colchicine
• cyclosporine
• digoxin
• medicines for fungal infections like fluconazole, ketoconazole and itraconazole
• medicines for sleep or anxiety like alprazolam or triazolam
• some medicines for headaches like ergotamine or dihydroergotamine
• some medicines for high cholesterol like atorvastatin, lovastatin, simvastatin
• some medicines for irregular heart rhythm like amiodarone, disopyramide, dofetilide, flecainide, procainamide, quinidine
• omeprazole
• other antibiotics like grepafloxacin or sparfloxacin
• pimozide
• rifabutin
• ritonavir
• sildenafil
• terfenadine
• theophylline
• warfarin
• zidovudine

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non- prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

What side effects may I notice from receiving this medicine?

• allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
• irregular heartbeat or chest pain
• pain or difficulty passing urine
• redness, blistering, peeling or loosening of the skin, including inside the mouth
• yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

• abnormal taste
• anxiety, confusion, or nightmares
• diarrhea
• headache
• intestinal gas
• stomach upset or nausea

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1- 800- FDA- 1088.