Lamivudine, Tenofovir disoproxil fumarate, and Efavirenz are used in the treatment of HIV infection.
How Lamivudine, Tenofovir disoproxil fumarate, and Efavirenz work Lamivudine, Tenofovir disoproxil fumarate, and Efavirenz is a combination of three antiviral medications. They work by preventing the HIV virus from multiplying, thereby reducing the viral load in your body. Additionally, they help increase the CD4 cell count, which are white blood cells that protect against infections.
Common side effects of Lamivudine, Tenofovir disoproxil fumarate, and Efavirenz include headache, dizziness, nausea, insomnia (difficulty sleeping), weakness, depression, diarrhea, rash, pain, fever, decreased white blood cell count (neutrophils), peripheral neuropathy (tingling and numbness in the feet and hands), back pain, abdominal pain, anxiety, vomiting, joint pain, pneumonia, dyspepsia, muscle pain, lipodystrophy (skin thickening or pits at the injection site), hypercholesterolemia (high cholesterol), increased triglyceride levels in the blood, elevated creatinine kinase, elevated levels of serum amylase, blood in urine, increased transaminase levels in the blood, cough, impaired concentration, and abnormal dreams.