Generic name:efavirenz, lamivudine, and tenofovir [ ef-AV-ir-enz, la-MIV-ue-deen, and-ten-OF-oh-vir ]
Brand names: Symfi, Symfi Lo
Drug class:Antiviral combinations
What is Symfi?
Symfi contains a combination of efavirenz, lamivudine, and tenofovir. Efavirenz, lamivudine, and tenofovir are antiviral medicines that prevents human immunodeficiency virus human immunodeficiency virus (HIV) from multiplying in your body.
HIV is the virus that can cause acquired immunodeficiency syndrome (AIDS). This medicine is not a cure for HIV or AIDS.
Symfi is for use in adults and children who weigh at least 88 pounds (40 kilograms).
Symfi Lo is for use in adults and children who weigh at least 77 pounds (35 kilograms).
Warnings
Symfi may cause a serious condition called lactic acidosis, a dangerous build-up of lactic acid in your blood. Call your doctor or get emergency medical help if you have unusual muscle pain, trouble breathing, stomach pain, dizziness, feeling cold, or feeling very weak or tired.
Call your doctor at once if you have swelling or pain in your upper stomach pain, unusual tiredness, loss of appetite, dark urine, clay-colored stools, or yellowing of the skin or eyes.
Symfi may cause serious mental health problems. Get medical help if you have unusual sadness, paranoia, hallucinations, or thoughts about hurting yourself or others.
If you've ever had hepatitis B, it may become active or get worse after you stop using Symfi. You may need frequent liver function tests for several months.
Do not change your d...
