Head-to-head comparisons of medication uses, side effects, warnings, and more.
Emtricitabine (Emtriva)
Efavirenz (Sustiva)
Emtricitabine (Emtriva)
Efavirenz (Sustiva)
Summary of Emtriva vs. Sustiva
Summary for HIV ARV
Prescription only
Emtricitabine (Emtriva) is a first choice HIV antiretroviral (ARV) used in combination with other HIV ARVs for the treatment and prevention of HIV. It is one of the most common HIV ARVs used around the world.
Summary for HIV ARV
Prescription only
Efavirenz (Sustiva) is a medication that's used in combination with other antiretroviral (ARV) therapy to treat human immunodeficiency virus (HIV) infections. It comes as oral tablets and capsules that are swallowed whole. The capsules can also be opened up and sprinkled in liquid for people who have trouble swallowing. Some side effects of this medication are rash, diarrhea, and nausea. Efavirenz (Sustiva) is available as both a brand-name and generic medication.
Indications of Emtriva vs. Sustiva
Indications for
•HIV treatment
Indications for
•Treatment of HIV infection in people ages 3 months and older
Pros and Cons of Emtriva vs. Sustiva
Pros and Const for HIV ARV
Pros
•Very effective against HIV, with few side effects
•Taken only once a day with or without food
•Available in many combination tablets with other HIV ARVs
•Available as a capsule and oral solution
•Can be used in pregnancy and in children right after they are born
Cons
•Dose must be adjusted if you have kidney problems
•Must be used in combination with other HIV ARVs
•The oral solution is absorbed less than the capsule, so the dose is higher
•Some people with hepatitis B virus (HBV) have worsening of the liver after stopping emtricitabine (Emtriva)
•Requires regular labs to make sure the medication is working against HIV and to check your kidney and liver
Pros and Const for HIV ARV
Pros
•Only taken once a day
•Capsule form can be opened and sprinkled on soft food or liquid, such as applesauce or milk, so convenient for people with difficulty swallowing pills
•Available as a lower-cost generic medication
•Can be used in young children 3 months and older who weigh over 7.7 lbs
Cons
•Has many potentially serious side effects and risks (e.g., nerve issues, irregular heartbeat)
•Needs to be taken on an empty stomach
•Not recommended during pregnancy
•Interacts with a lot of medications
Common Side Effects of Emtriva vs. Sustiva
Common Side Effects for
•Changes in labs (30%)
•Nausea (9%)
•Fatigue (9%)
•Diarrhea (9%)
•Dizziness (8%)
•Flu/cold (8%)
•Runny nose (8%)
•Rash (7%)
Common Side Effects for
The following side effects were reported in adults taking this medication with other HIV ARVs. Side effects might differ in children.