The Effect of Acute Alcohol Withdrawal on the Serum Potassium and Total Body Potassium in Heavy Drinkers

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Abstract
In a group of 20 patients with heavy alcohol intake a relation was found between withdrawal symptoms and fall in serum potassium. Total body potassium (TBK) was measured in all subjects and was lower in the group of subjects who displayed symptoms than in the group who did not. The subgroup of the four most severe reactors had a mean TBK value significantly less than the ‘non-reactor’ group. The minimum serum potassium levels observed for all subjects in the four day period following alcohol withdrawal correlated with their TBK values. We suggest that the mechanism for the serum potassium fall might be overactivity of the Na-K pump caused by ethanol consumption. There was also an association between withdrawal reaction and abnormal liver function and a transient rise in serum phosphate in the more severely reacting subjects.