What is the origin of the phrase “hair of the dog?”

A. It was once a phrase that signaled “alarm” as when the hairs of a dog are raised

B. It originally referred to an old English grog of potent hard liquors that made people feel numb to any (headache) pain

C. It originally referred to a treatment for a bite from a dog with rabies

D. It refers to the utterly slim (like the width of a dog’s hair) chance of feeling ok the next morning after drinking too much


As almost everyone who has ever drunk too much knows, “hair of the dog” is a colloquial expression for drinking an alcoholic beverage as a way of curing a hangover. (A stiff Bloody Mary is many drinkers’ first choice). The original expression referred to a method of treating a rabid dog bite by placing hairs of the dog into the bite wound. This was just one example of the ancient medical theory similia similibus curantur (Latin for “like cures like”), which is the basic tenet of homeopathy.

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