Precautions

Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood and urine tests may be needed to check for unwanted effects.

Do not use this medicine together with dexamethasone (Decadron®), dofetilide (Tikosyn®), seizure medicines (eg, carbamazepine, oxcarbazepine, phenobarbital, phenytoin, Dilantin®, Tegretol®, Trileptal®), medicine for tuberculosis (eg, rifampin, rifapentine, Priftin®, Rifadin®, Rimactane®), stomach medicines (eg, esomeprazole, lansoprazole, omeprazole, pantoprazole, rabeprazole, Aciphex®, Nexium®, Prevacid®, Prilosec®) or St. John's wort.

This medicine may cause serious allergic reactions, including anaphylaxis and drug reaction with eosinophilia and systemic symptoms (DRESS), which can be life-threatening and requires immediate medical attention. Call your doctor right away if you or your child have black, tarry stools, chest pain, chills, cough, fever, painful or difficult urination, rash, itching, hoarseness, lightheadedness or dizziness, sore throat, sores, ulcers, or white spots on the lips or in the mouth, swollen glands, trouble breathing, trouble swallowing, unusual bleeding or bruising, unusual tiredness or weakness, or any swelling of your hands, face, or mouth with this medicine.

This medicine may cause serious liver problems. This may occur in patients with hepatitis B or C infection. Check with your doctor right away if you or your child have clay-colored stools, dark urine, a decreased appetite, fever, headache, itching, nausea and vomiting, skin rash, stomach pain or tenderness, swelling of the feet or lower legs, unusual tiredness or weakness, or yellow eyes or skin.

Tell your doctor right away if you start to feel depressed and have thoughts about hurting yourself. Report any unusual thoughts or behavior that troubles you, especially if they are new or get worse quickly.

This medicine will not keep you from giving HIV to your partner during sex. Make sure you understand this and practice safe sex, even if your partner also has HIV, by using a latex condom or other barrier method. This medicine will also not keep you from giving HIV to other people if they are exposed to your blood. Do not re-use or share needles with anyone.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.