| Combination of | |
|---|---|
| Efavirenz | Non-nucleoside reverse transcriptase inhibitor |
| Lamivudine | Nucleoside reverse transcriptase inhibitor |
| Tenofovir disoproxil | Nucleoside reverse transcriptase inhibitor |
| Clinical data | |
| Trade names | Symfi, Symfi Lo |
| Other names | EFV/3TC/TDF |
| AHFS/Drugs.com | Professional Drug Facts |
| MedlinePlus | a618028 |
| License data | |
| Pregnancy category |
|
| Routes of administration | By mouth |
| ATC code | |
| Legal status | |
| Legal status | |
| Identifiers | |
| KEGG | |
Efavirenz/lamivudine/tenofovir (EFV/3TC/TDF), sold under the brand name Symfi among others, is a fixed-dose combination antiretroviral medication for the treatment of HIV/AIDS. [1] [2] [3] It combines efavirenz, lamivudine, and tenofovir disoproxil. [3] As of 2019 [update] , it is listed by the World Health Organization as an alternative first line option to dolutegravir/lamivudine/tenofovir. [4] It is taken by mouth. [1] [2] [3]
Side effects can include joint pain, sleepiness, headaches, depression, trouble sleeping, and itchiness. [3] Severe side effects may include depression, psychosis, or osteonecrosis. [3] In those with a history of epilepsy, it may increase the frequency of seizures. [3] Greater care should also be taken in those with kidney problems. [3] Its use during pregnancy appears to be unsafe. [1] [2]
It is on the World Health Organization's List of Essential Medicines. [5] The combination received tentative approval in the United States in 2014, [6] and was granted approval in February 2018. [7] [8] Its availability and importance is supported by Medecins Sans Frontieres. [3] It is available as a generic medication. [9] [10] [11]