HIV (Acquired Immune Deficiency Syndrome) is a slowly progressing infectious disease characterized by immune system disorder and various clinical symptoms. For today, HIV occupies a special place in medicine. HIV is one of the most dangerous diseases which not only breaks lives of people, but also carries them away. The fight against HIV continues many years and during these years the scientists around the world have been trying to find a drug to overcome this disease. Unfortunately, the medication which will definitively relieve people from HIV infection has not been designed yet, but progressive medicine has developed medications inhibiting infection growth in the organism that helps to prolong the life of the patients. One of these medications is Truvada.