Lamivudine belongs to a class of medication called nucleoside reverse transcriptase inhibitors. It decreases the amount of virus (HIV and hepatitis) in the blood. It also increases the number of infection fighting cells in the body. Tenofovir is an antiviral drug belonging to class nucleoside reverse transcriptase inhibitors (NRTIs). Efavirenz belongs to a class of antiretroviral medications called non-nucleoside reverse transcriptase inhibitors (NNRTIs). It inhibits the replication of HIV, thereby reducing the amount of the virus in the blood.
Lamivudine indicated as part of antiretroviral combination therapy for the treatment of Human Immunodeficiency Virus (HIV) infected. Tenofovir is used in combination with other antiviral drugs in the treatment of human immunodeficiency virus (HIV) infections. Efavirenz is used in combination with other medications for the treatment of human immunodeficiency virus (HIV) infection.
dizziness, drowsiness, tired feeling; nausea, diarrhea; headache, depressed mood, trouble concentrating; sleep problems (insomnia), strange dreams; rash; or changes in the shape or location of body fat (especially in your arms, legs, face, neck, breasts, and waist).
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects.