There are more than 30 antiretroviral medications in six drug classes; these are listed below. Each class of drug attacks HIV at a different stage of the HIV lifecycle. There are six main types ...

Here's what you need to know. There are many types of drugs you shouldn't take together, but in general, don't take combinations like these: Two or more drugs that share an active ingredient.

MHRA enforcement head Alastair Jeffrey said: "A typical example would be a wholesaler dealer or a pharmacist ordering vast amounts of these particular types of medicines on behalf of the criminal ...