Anything seems possible with this disease and treatment...
but the amount of alcohol is so small in these tinctures. Yes, some people seem more reactive to even that small amount of alcohol.
But if I had to venture a guess, I'd suspect the herbals first.
However, having said that, yeast imbalances can infrequently cause "drunkness". www.businessinsider.com/brewers-yeast-gut-infection-gets-you-drunk-2013-9/