Depending on the cause, complications of alcohol intolerance or other reactions to alcoholic beverages can include:

  • Migraines. Drinking alcohol can trigger migraines in some people, possibly as a result of histamines contained in some alcoholic beverages. Your immune system also releases histamines during an allergic reaction.
  • A severe allergic reaction. In rare instances, an allergic reaction can be life-threatening (anaphylactic reaction) and require emergency treatment.
Mar. 26, 2015

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