Two other beer issues that you wouldn't get as severely (or at all) with whiskey or rum:
1. Celiac Disease or gluten intolerance - celiac disease requires a blood test to diagnose. Non celiac gluten intolerance requires an elimination diet. Beer contains gluten, but whiskey and rum are pretty much gluten free. The best place to get this information is at What is gluten free diet?
2. Sulfite allergy - This might be more likely, actually. Sulfites are added to wine and are in beer, and can be added as preservatives in various other alcohols, especially some flavored alcohols. I don't believe it is usually found in rum or whiskey, though. If you get very sick with wine, this is worth looking at. If wine doesn't bother you, it's not sulfites.
Also, sulfite allergic folks often report differing symptoms depending on the amount of sulfites OR the type of sulfites (there are a few different kinds that all make sulfite allergic folks react). Asthma like symptoms are one listed symptoms, and nausea and stomach upset (even delayed) can be another. The wine coolers and such with dyes and additives would be more likely to have added, and stronger, sulfites than beer, which has naturally occurring sulfites due to fermentation.
No you should not drink whiskey on any condition rather on a gluten free diet also.
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