What happens if I have a drink

You would get very very sick. Here are some of the side effects if you ingest even a small amount of alcohol.

Flushing of the face, headache, nausea, vomiting, chest pain, weakness, blurred vision, mental confusion, sweating, choking, breathing difficulty, and anxiety. These effects begin about 10 minutes after alcohol enters the body and last for 1 hour or more

About the time you finish your first drink, 10 minutes, you will begin to feel very sick including... flushing of the face, headache, nausea, vomiting, chest pain, weakness, blurred vision, mental confusion, sweating, choking, breathing difficulty, and anxiety.

I'm very much opposed to use of disulfiram (ANTABUSE) as, dependent on your health or other internal factors the side effects can be far more serious. The drug itself can have deleterious effects on your liver.

But given just the response noted in my first paragraph it really isn't worth it.

Would you tell me if you are located in the US, if not what country. My interest is if we are seeing a resurgence in the use of Antabuse.

NOTE: Since you are unfamiliar with what happens if you drink while on disulfiram, I suggest you read the NIMH sheet on this drug available here and/or here. There are many products that you must avoid, including shaving lotion and inhaled sources of ethanol.