Elvitegravir, which is sold under the brand name “Viteka”, is used in the treatment of HIV infection. Basically, this medication works by inhibiting an HIV enzyme called integrase, thereby preventing HIV from multiplying and reducing its amount in the body. Before taking Elvitegravir, you should tell your doctor about your allergies, or if you’re being treated for other medical conditions. You should also tell them about the other drugs that you’re using to make sure that none of them will interact with the one in question. Bear in mind that breastfeeding is not recommended while taking Elvitegravir. And if you’re pregnant, you must not use this drug without first consulting a doctor. It is also worth noting that you should take Elvitegravir with food. According to drugs.com, this medication can cause allergic reactions, changes in the immune system, and diarrhea – All of which should be reported to your healthcare provider when they occur.