Excessive Thirst: Why Am I So Thirsty?
Article Sources
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Alcohol and Excessive Thirst
Excessive thirst commonly occurs after drinking. Alcohol may cause frequent urination, but this only happens immediately after drinking. It doesn't last until the next day.
A substance called acetaldehyde forms when alcohol is digested. This substance is mildly toxic and contributes to the nausea, vomiting and headaches that are commonly referred to as a hangover. Although the process isn't entirely understood yet, researchers believe acetaldehyde may also affect the part of the brain responsible for controlling thirst.8Inenaga, Kiyotoshi, et al. ‘Thirst Sensation and Oral Dryness Following Alcohol Intake.’ Japanese Dental Science Review, Elsevier, 27 Feb. 2017, www.sciencedirect.com/science/article/pii/S1882761616300631
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