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General Information

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IMPORTANT WARNING:

Elvitegravir, cobicistat, emtricitabine, and tenofovir alafenamide (AF) should not be used to treat hepatitis B virus infection (HBV; an ongoing liver infection). Tell your doctor if you have or think you may have HBV. Your doctor may test you to see if you have HBV before you begin your treatment with elvitegravir, cobicistat, emtricitabine, and tenofovir AF. If you have HBV and you take elvitegravir, cobicistat, emtricitabine, and tenofovir AF, your condition may suddenly worsen when you stop taking this medication. Your doctor will examine you and order lab tests regularly for several months after you stop taking this medication.

Keep all appointments with your doctor and the laboratory. Your doctor will order certain tests before and during your treatment.

Talk to your doctor about the risk(s) of taking elvitegravir, cobicistat, emtricitabine, and tenofovir AF.

Use

WHY is this medicine prescribed?

The combination of elvitegravir, cobicistat, emtricitabine, and tenofovir AF is used to treat human immunodeficiency virus (HIV) infection. The combination of elvitegravir, cobicistat, emtricitabine, and tenofovir is in a class of medications called antivirals. Elvitegravir, emtricitabine, and tenofovir work by decreasing the amount of HIV in the blood. Cobicistat helps to keep elvitegravir in the body longer so that the medication will have a greater effect.

Although the combination of elvitegravir, cobicistat, emtricitabine and tenofovir AF will not cure HIV, these medications may decrease your chance of developing acquired immunodeficiency syndrome (AIDS) and HIV-related illnesses. Taking these medications and making other lifestyle changes may decrease the risk of giving the HIV virus to other people.

HOW should this medicine be used?

The combination of elvitegravir, cobicistat, emtricitabine, and tenofovir AF comes as a tablet to take by mouth. Take with food once a day. Take elvitegravir, cobicistat, emtricitabine, and tenofovir AF at around the same time every day.

Take elvitegravir, cobicistat, emtricitabine, and tenofovir AF exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

Elvitegravir, cobicistat, emtricitabine, and tenofovir AF help to control HIV infection but do not cure it. Continue to take elvitegravir, cobicistat, emtricitabine, and tenofovir AF even if you feel well. Do not stop taking elvitegravir, cobicistat, emtricitabine, and tenofovir AF without talking to your doctor.

Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.

Are there OTHER USES for this medication?

This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.

Special

What SPECIAL PRECAUTIONS should I follow?

Before taking elvitegravir, cobicistat, emtricitabine, and tenofovir AF,

What SPECIAL DIETARY instructions should I follow?

Unless your doctor tells you otherwise, continue your normal diet.

What should I do IF I FORGET to take a dose?

Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.

Side Effects

What SIDE EFFECTS can this medicine cause?

Elvitegravir, cobicistat, emtricitabine, and tenofovir AF may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

Some side effects can be serious. If you experience any of these symptoms or those listed in the IMPORTANT WARNING or SPECIAL PRECAUTIONS section, call your doctor immediately or get emergency medical treatment:

Elvitegravir, cobicistat, emtricitabine, and tenofovir AF may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online (http://www.fda.gov/Safety/MedWatch) or by phone (1-800-332-1088).

Overdose

What should I do in case of OVERDOSE?

In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at http://www.poisonhelp.org/help. If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.

Storage

What should I know about STORAGE and DISPOSAL of this medication?

Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom).

Keep all medication out of sight and reach of children as many containers are not child-resistant. Always lock safety caps. Place the medication in a safe location - one that is up and away and out of their sight and reach. http://www.upandaway.org

Dispose of unneeded medications in a way so that pets, children, and other people cannot take them. Do not flush this medication down the toilet. Use a medicine take-back program. Talk to your pharmacist about take-back programs in your community. Visit the FDA's Safe Disposal of Medicines website http://goo.gl/c4Rm4p for more information.

Miscellaneous

What OTHER INFORMATION should I know?

Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.

Keep a supply of elvitegravir, cobicistat, emtricitabine, and tenofovir AF on hand. Do not wait until you run out of medication to refill your prescription.

Keep a written list of all of the prescription and nonprescription (over-the-counter) medicines, vitamins, minerals, and dietary supplements you are taking. Bring this list with you each time you visit a doctor or if you are admitted to the hospital. You should carry the list with you in case of emergencies.

This report on medications is for your information only, and is not considered individual patient advice. Because of the changing nature of drug information, please consult your physician or pharmacist about specific clinical use.

The American Society of Health-System Pharmacists, Inc. represents that the information provided hereunder was formulated with a reasonable standard of care, and in conformity with professional standards in the field. The American Society of Health-System Pharmacists, Inc. makes no representations or warranties, express or implied, including, but not limited to, any implied warranty of merchantability and/or fitness for a particular purpose, with respect to such information and specifically disclaims all such warranties. Users are advised that decisions regarding drug therapy are complex medical decisions requiring the independent, informed decision of an appropriate health care professional, and the information is provided for informational purposes only. The entire monograph for a drug should be reviewed for a thorough understanding of the drug's actions, uses and side effects. The American Society of Health-System Pharmacists, Inc. does not endorse or recommend the use of any drug. The information is not a substitute for medical care.

AHFS® Patient Medication Information Copyright, 2025. The American Society of Health-System Pharmacists®, 4500 East-West Highway, Suite 900, Bethesda, Maryland. All Rights Reserved. Duplication for commercial use must be authorized by ASHP.

Selected Revisions: July 15, 2025.