Wake up w/ headaches often. If I drink alcohol (even small amounts) I get very painful headaches. Sharp pain behind eyes, forehead, & back of neck.?

HeadacheFromAlcihol. Headache next morning after drinking alcohol the night before can be due to many causes1dehydration and can be prevented by drinking lot of water the night before & in the morning.2It may be related to the chemicals in ethanol like acetaldehyd.cogeners, flavonoid&Tryptophan3Red wine gives headache in some due to sulphides4Individual Responce . Many get red in face&more prone 5Migraine trigger .