Viread 300mg Tablet
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Chemical Name: TENOFOVIR DISOPROXIL FUMARATE (te-NOE-fo-veer dye-soe-PROX-ill FYOU-mar-ate)
Viread is an antiviral used in combination with other medicine(s) to manage human immunodeficiency virus (HIV) infection.
WARNING: Severe, even fatal, liver and blood acid-base balance problems (lactic acidosis) have occurred while using this medicine. Fatal lactic acidosis has also occurred during pregnancy when this medicine was used in combination with didanosine and other drugs used to treat HIV. Notify your doctor immediately if you develop dark urine, yellowing of the skin or eyes, abdominal or stomach pain, rapid breathing, drowsiness, or muscle aches. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are also taking atazanavir, cidofovir, acyclovir, valacyclovir, ganciclovir, valganciclovir, methotrexate, probenecid, sulfinpyrazone, or “water pills” such as thiazides. Also report the use of other medicines which may be potentially toxic to the kidney such as aminoglycosides (e.g., gentamicin, amikacin), amphotericin B, cyclosporine, non-steroidal anti-inflammatory medicines (e.g., ibuprofen), tacrolimus, vancomycin. Inform your doctor of any other medical conditions, including kidney or liver disease, allergies, pregnancy, or breast-feeding.
Follow the directions for usingÂ Viread provided by your doctor. This medicine comes with a patient information leaflet. Read it carefully. Ask your doctor, nurse, or pharmacist any questions you may have about this medicine. This medicine may be taken on an empty stomach or with food. If you are also taking didanosine you should take this medicine two hours before or one hour after didanosine. STORE THIS MEDICINE at room temperature at 77 degrees F (25 degrees C) in a tightly-closed container, away from heat and light. Brief storage between 59 and 86 degrees F (15 and 30 degrees C) is permitted. CONTINUE TO TAKE THIS MEDICINE even if you feel well. IF YOU MISS A DOSE OF THIS MEDICINE, take it as soon as you remember. If it is within 2 hours of your next dose, skip the missed dose and go back to your regular dosing schedule. It is important not to miss doses of this medicine. DO NOT TAKE 2 doses at once.
DO NOT EXCEED THE RECOMMENDED DOSE without checking with your doctor. Exceeding the prescribed dose of this medicine may not provide additional benefits, and may increase the risks of side effects. KEEP ALL DOCTOR AND LABORATORY APPOINTMENTS while you are using this medicine. THIS MEDICINE WILL NOT PREVENT YOU FROM SPREADING HIV. If you have any questions concerning how to prevent the spreading of HIV, ask your doctor, nurse, or pharmacist. THIS MEDICINE WILL NOT PROTECT you from getting sexually transmitted diseases (STDs). Always use a condom during sexual intercourse. If your health changes, check with your doctor. BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or over-the-counter, check with your doctor or pharmacist. The use of tenofovir, lamivudine, and abacavir in combination may not be effective in treating HIV infection. If you are currently taking all three of these medicines, contact your doctor or pharmacist as soon as possible to carefully review your medicines. FOR WOMEN: IT IS UNKNOWN IF THIS DRUG IS EXCRETED in breast milk. Because breast milk can transmit HIV, DO NOT BREAST-FEED while taking this medicine.
Possible side effects
SIDE EFFECTS that may occur while taking this medicine include nausea, vomiting, diarrhea, gas, or loss of appetite. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience dark urine, change in amount of urine, yellowing of the skin or eyes, abdominal or stomach pain, rapid breathing, drowsiness, or muscle aches. Changes in body fat may occur while you are taking this medicine (e.g., increased fat in the upper back and stomach areas, decreased fat in the arms and legs). The cause and long-term effects of these changes are unknown. Discuss the risks and benefits of therapy with your doctor, as well as the possible role of exercise to reduce this side effect. AN ALLERGIC REACTION TO THIS MEDICINE IS UNLIKELY, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.
If you take too much
If overdose is suspected, contact your local poison control center or emergency room immediately.
DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children. IF USING THIS MEDICINE FOR AN EXTENDED PERIOD OF TIME, obtain refills before your supply runs out.