An Inadvertence by Anton Chekhov

Strizhin, who normally leads a sober and regular life, comes home from a christening party where he had permitted himself to drink four glasses of vodka and a glass of wine, the taste of which suggested something midway between vinegar and castor oil. And of course spirituous liquors being like sea-water and glory: the more you imbibe of them the greater your thirst, Strizhin felt an overwhelming craving for another drink. He accidentally downed a glass of paraffin instead of vodka, and in desperate search for a doctor at 4 a.m. he found that a doctor is only readily found when he is not wanted.