"On demand" involves four tablets. You take two pills immediately ... For most gay and bisexual men, the efficacy of these three types of PrEP is roughly equivalent. But "on demand" PrEP is ...

This prep involves taking tablets and about 64 ounces of fluids to clear the colon of stool. This type of prep might not be ...

There are usually two drugs in PrEP, usually combined in a single tablet. Other types of PrEP involve a single drug, taken by injection. There are three drugs in PEP – usually the same two that are ...

As this type of PrEP is more expensive than PrEP tablets, its use may be restricted to individuals who have difficulties taking tablets regularly. Services which provide HIV testing, treatment for ...