Precautions

Drug information provided by: IBM Micromedex

Your doctor will want to check your progress at regular visits, especially during the first few weeks that you take this medicine. Blood and urine tests may be needed to check for any unwanted effects.

Do not use this medicine together with atazanavir or darunavir if you are also using any of the following: alfuzosin (Uroxatral®), carbamazepine (Tegretol®), cisapride (Propulsid®), colchicine (Colcrys®), dronedarone (Multaq®), drospirenone/ethinyl estradiol (Yasmin®, Yaz®), indinavir (Crixivan®), irinotecan (Camptosar®), lomitapide (Juxtapid®), lovastatin (Altoprev®, Mevacor®), lurasidone (Latuda®), midazolam (Versed®), nevirapine (Viramune®), phenobarbital (Luminal®), phenytoin (Dilantin®), pimozide (Orap®), ranolazine (Ranexa®), rifampin (Rifadin®), sildenafil (Revatio®), simvastatin (Simcor®, Zocor®), St. John's wort, triazolam (Halcion®), or ergot medicines (eg, dihydroergotamine, ergotamine, methylergonovine, Cafergot®, Migranal®). Doing so may cause serious unwanted effects.

Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant during treatment with this medicine. Certain birth control pills may not work as well to prevent pregnancy when used with this medicine. Use another form of birth control (eg, condoms, spermicide) along with your pills. If you think you have become pregnant while using this medicine, tell your doctor right away.

Using this medicine together with tenofovir DF may cause kidney problems (including Fanconi syndrome). Tell your doctor right away if you have bloody urine, decreased frequency or amount of urine, increased thirst, loss of appetite, lower back or side pain, nausea, vomiting, swelling of the face, fingers, or lower legs, troubled breathing, unusual tiredness or weakness, or weight gain.

This medicine does not decrease the risk of transmitting the HIV infection to others through sexual contact or by contaminated blood. Make sure you understand and practice safe sex, even if your partner also has HIV. Avoid sharing 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.