Cobicistat; Elvitegravir; Emtricitabine; Tenofovir
Elvitegravir, Cobicistat, Emtricitabine, Tenofovir Disoproxil Fumarate Oral tablet
What is this medicine?
COBICISTAT; ELVITEGRAVIR; EMTRICITABINE; TENOFOVIR DISOPROXIL FUMARATE (koe BIS i stat; el vye TEG ra veer; em tri SIT uh bean; te NOE fo veer) is three antiretroviral medicines and a medication booster in one tablet. It is used to treat HIV. This medicine is not a cure for HIV. It will not stop the spread of HIV to others.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
bone problems
kidney disease
liver disease
an unusual or allergic reaction to cobicistat, elvitegravir, emtricitabine, tenofovir, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I use this medicine?
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take this medicine with food. Take your medicine at regular intervals. Do not take your medicine more often than directed. For your anti-HIV therapy to work as well as possible, take each dose exactly as prescribed. Do not skip doses or stop your medicine even if you feel better. Skipping doses may make the HIV virus resistant to this medicine and other medicines. Do not stop taking except on your doctor's advice.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.
Overdosage: If you think you've taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?
Do not take this medicine with any of the following medications:
adefovir
alfuzosin
certain medicines for seizures like carbamazepine, oxcarbazepine, phenobarbital, phenytoin, fosphenytoin, primidone
cisapride
lumacaftor; ivacaftor
medicines for cholesterol like lovastatin, simvastatin
medicines for headaches like dihydroergotamine, ergotamine, methylergonovine
midazolam
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 tadalafil, vardenafil
certain medicines for fungal infection like itraconazole, ketoconazole, voriconazole
colchicine
cyclosporine
dexamethasone
female hormones, like estrogens and progestins and birth control pills
fluticasone
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
phenothiazines like perphenazine, risperidone, thioridazine
salmeterol
sirolimus
tacrolimus
warfarin
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.
What should I watch for while using this medicine?
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.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
breathing difficulties
dark urine
general ill feeling or flu-like symptoms
light-colored stools
loss of appetite
nausea, vomiting, unusual stomach upset or pain
right upper belly pain
trouble passing urine or change in the amount of urine
unusually weak or tired
yellowing of the eyes or skin
Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):
diarrhea
dizziness
headache
skin discoloration on the hands or feet
tiredness
trouble sleeping
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.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
Updated:  
March 21, 2017
Sources:  
U.S. FDA-approved Package Insert