Most countries have legislation which brings various drugs and drug-like substances under the control of licensing systems. Typically this legislation covers any or all of the opiates, amphetamines, cannabinoids, cocaine, barbiturates, benzodiazepines, anesthetics, hallucinogenics, derivatives and a variety of more modern synthetic drugs. Unlicensed production, supply or possession is a criminal offence.
Use any setbacks in recovery as a learning experience and recognise that while you may have made a mistake, you do not have to make it worse by continuing to drink. Get yourself to your nearest fellowship meeting or call your sponsor as soon as possible. You will then need to take a good look at what led to your setback. It is important that you take the time to do this so that you can avoid another occurrence in the future.