On Demand PrEP

On-Demand PrEP is effective in preventing HIV and has been studied in one research trial of men who have sex with men. It involves taking two pills 2-24 hours before sex, and then a pill each 24 hours after sex for the next two days. It is important that when using on-demand PrEP that you adhere strictly to the dosing regimen to provide the greatest level of protection against HIV.