Duovir n tablet. If he took as a pep.

It is a biological and scientific impossibility for Duovir N (or any PEP medication) to cause an HIV infection in a non-HIV person. These medications are antiretroviral drugs designed to inhibit and stop the virus from replicating; they do not contain any part of the live virus. Taking the medicine as a preventive measure (PEP) will never introduce the virus into your system. Your concern is likely a result of severe Health Anxiety, which can often lead to such irrational fears regarding life-saving medications."

Trust the Medicine: "Rest assured that you are taking a protective shield. The medicine is there to ensure you remain negative, not to make you positive." ​Complete the Course: "If a high-risk exposure was confirmed by a doctor, it is important to complete the 28-day course as prescribed to ensure maximum protection." ​Address Anxiety: "Since you are having repeated intrusive thoughts about the medicine causing the disease, I strongly recommend a consultation with a Psychiatrist or Counselor to help manage this acute stress." ​Consultation: "To understand the exact molecular mechanism of how PEP protects you and to get a formal clinical reassurance, please book a full consultation session via my Practo profile."