Our expert says:
He can take an antihistamine tablet but if it is very bad he may need to get a prescription for cortisone from a doctor. If he is allergic to beer it could be the grain that it is made from, or he may have a sensitivity to sulphites (wines) or he may have a genetic problem that causes his body to be intolerant of alcohol in general. See http://www.foodreactions.org/intolerance/alcohol/index.html
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