Do not take this medicine with any of the following medications:

-adefovir
-alfuzosin
-certain medicines for seizures like carbamazepine, phenobarbital, phenytoin
-cisapride
-irinotecan
-lumacaftor; ivacaftor
-lurasidone
-medicines for cholesterol like lovastatin, simvastatin
-medicines for headaches like dihydroergotamine, ergotamine, methylergonovine
-midazolam
-naloxegol
-other antiviral medicines for HIV or AIDS
-pimozide
-rifampin
-sildenafil
-St. John''s wort
-triazolam
This medicine may also interact with the following medications:

-antacids
-atorvastatin
-bosentan
-buprenorphine; naloxone
-certain antibiotics like clarithromycin, telithromycin, rifabutin, rifapentine
-certain medications for anxiety or sleep like buspirone, clorazepate, diazepam, estazolam, flurazepam, zolpidem
-certain medicines for blood pressure or heart disease like amlodipine, diltiazem, felodipine, metoprolol, nicardipine, nifedipine, timolol, verapamil
-certain medicines for depression, anxiety, or psychiatric disturbances
-certain medicines for erectile dysfunction like avanafil, sildenafil, tadalafil, vardenafil
-certain medicines for fungal infection like itraconazole, ketoconazole, voriconazole
-certain medicines that treat or prevent blood clots like warfarin, apixaban, betrixaban, dabigatran, edoxaban, and rivaroxaban
-colchicine
-cyclosporine
-female hormones, like estrogens and progestins and birth control pills
-medicines for infection like acyclovir, cidofovir, valacyclovir, ganciclovir, valganciclovir
-medicines for irregular heart beat like amiodarone, bepridil, digoxin, disopyramide, dofetilide, flecainide, lidocaine, mexiletine, propafenone, quinidine
-metformin
-oxcarbazepine
-phenothiazines like perphenazine, risperidone, thioridazine
-salmeterol
-sirolimus
-steroid medicines like betamethasone, budesonide, ciclesonide, dexamethasone, fluticasone, methylprednisolone, mometasone, triamcinolone
-tacrolimus

They need to know if you have any of these conditions:

-kidney disease
-liver disease
-an unusual or allergic reaction to elvitegravir, cobicistat, emtricitabine, tenofovir, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your doctor or health care professional for regular check ups. Discuss any new symptoms with your doctor. You will need to have important blood work done while on this medicine.
HIV is spread to others through sexual or blood contact. Talk to your doctor about how to stop the spread of HIV.
If you have hepatitis B, talk to your doctor if you plan to stop this medicine. The symptoms of hepatitis B may get worse if you stop this medicine.
Birth control pills may not work properly while you are taking this medicine. Talk to your doctor about using an extra method of birth control. Women who can still have children must use a reliable form of barrier contraception, like a condom.

Keep out of the reach of children.
Store at room temperature below 30 degrees C (86 degrees F). Throw away any unused medicine after the expiration date.