You must not give blood for at least 4 months if you have taken part in Chemsex.
*Chemsex is a type of sexual activity where people take certain drugs (excluding alcohol, cannabis, Viagra and other medication for erectile dysfunction) to enhance their sexual experiences, and let them have sex for longer or with more people. Drugs associated with chemsex include methamphetamine, mephedrone and GBH.
If you injected or were injected with chemsex drugs you cannot donate.