Do not take this medication with any of the following:
-Adefovir
-Alfuzosin
-Certain medications for seizures, such as carbamazepine, phenobarbital, phenytoin
-Cisapride
-Irinotecan
-Lumacaftor; ivacaftor
-Lurasidone
-Medications for cholesterol, such as lovastatin, simvastatin
-Medications for headaches, such as dihydroergotamine, ergotamine, methylergonovine
-Midazolam
-Naloxegol
-Other antiviral medications for HIV or AIDS
-Pimozide
-Rifampin
-Sildenafil
-St. John's Wort
-Triazolam
This medication may also interact with the following:
-Antacids
-Atorvastatin
-Bosentan
-Buprenorphine; naloxone
-Certain antibiotics, such as clarithromycin, telithromycin, rifabutin, rifapentine
-Certain medications for anxiety or sleep, such as buspirone, clorazepate, diazepam, estazolam, flurazepam, zolpidem
-Certain medications for blood pressure or heart disease, such as amlodipine, diltiazem, felodipine, metoprolol, nicardipine, nifedipine, timolol, verapamil
-Certain medications for depression, anxiety, or mental health conditions
-Certain medications for erectile dysfunction, such as avanafil, sildenafil, tadalafil, vardenafil
-Certain medications for fungal infection, such as itraconazole, ketoconazole, voriconazole
-Certain medications that treat or prevent blood clots, such as warfarin, apixaban, betrixaban, dabigatran, edoxaban, and rivaroxaban
-Colchicine
-Cyclosporine
-Estrogen and progestin hormones
-Medications for infection, such as acyclovir, cidofovir, valacyclovir, ganciclovir, valganciclovir
-Medications for irregular heartbeat, such as amiodarone, bepridil, digoxin, disopyramide, dofetilide, flecainide, lidocaine, mexiletine, propafenone, quinidine
-Metformin
-Oxcarbazepine
-Phenothiazines, such as perphenazine, risperidone, thioridazine
-Salmeterol
-Sirolimus
-Steroid medications, such as betamethasone, budesonide, ciclesonide, dexamethasone, fluticasone, methylprednisolone, mometasone, triamcinolone
-Tacrolimus
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.
Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-High lactic acid level—muscle pain or cramps, stomach pain, trouble breathing, general discomfort and fatigue
-Kidney injury—decrease in the amount of urine, swelling of the ankles, hands, or feet
-Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Diarrhea
-Fatigue
-Headache
-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.