However, the China Food and Drug Administration approved PrEP in 2015 for the treatment of HIV/AIDS - not prevention - which means doctors are not allowed to prescribe it to patients unless they test positive for the virus. Several countries recommend the drugs as a weapon to prevent the spread of HIV among people in high-risk groups, such as gay men. Pre-exposure prophylaxis, commonly known as PrEP, is a type of medicine that, if taken daily, can reduce the risk of HIV infection via sexual intercourse by more than 90 percent, according to health studies. Yet many now are heading to the Southeast Asian country for a new reason - to buy cheap drugs to prevent HIV. Thailand has been a hot destination for Chinese tourists for years.
Medicine can cut risk by 90 percent, but it's not approved for prevention
