 [ Symptoms ] why do i have an adverse reaction to alcohol several hours later  recently starting a few months ago when i consume more than 2 3 drinks i have some type of reaction several hours later when i am sleeping i will be fine while drinking even hours later but once i get into bed a couple of hours later i will get headaches diarrhea and sometimes shakes i have drank a lot more in the past without any issues but currently just a few drinks and these symptoms follow happens regardless which type of alcohol i drink i have not changed my diet or take any meds [ Disease ] individuals react differently to the adverse reactions of alcohol we advice you to reduce the intake of alcohol to get rid of its the side effects