Welcome to healthcare Magic!
You should tell your doctor the truth about your husband. There caan be significant innteraction off alcohol with some drugs.
seems to be related to high BP
or the Carvedilol Catapres
can also have unpredictable interaction with the alcohol.
he may take dangerous overdose, it will be worthwhile to manage him indoor for this problem and in future give him the medicines under watch.
I hope the advise would be informative and useful for you.