Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Acute alcohol sensitivity ?
    ### Response:
    Alcohol intolerance is characterized by immediate unpleasant reactions after drinking alcohol. The most common signs and symptoms of alcohol intolerance are stuffy nose and skin flushing. Alcohol intolerance is caused by a genetic condition in which the body is unable to break down alcohol efficiently, usually found in Asians.
    