Sore arms after drinking may be caused by lactic acid buildup, hyperuricemia, abnormal liver function, etc., and should be consulted in time. 1. Lactic acid accumulation: it may be caused by the incomplete metabolism of alcohol. When drinking alcohol, it may affect the metabolism of lactic acid, which can be manifested as lactic acid accumulation, and when the lactic acid accumulation is serious, it will be manifested as body aches and pains. 2. Hyperuricemia: alcohol intake will affect the excretion of uric acid, alcohol itself contains more purines, large amounts of alcohol can promote the degradation of adenosine triphosphate in the liver, can also cause hyperlacticemia, resulting in increased generation of uric acid, reduced excretion. Generally manifested as joint pain, a very large proportion of patients can appear muscle pain. 3. Abnormal liver function: alcohol needs to be metabolized and excreted through the liver, abnormal liver function will affect the metabolic effect, which will be deposited in the body, such as joints, muscles, thus causing arm pain after drinking. If you are experiencing arm pain after drinking alcohol, it is recommended that you consult a doctor in time to avoid delaying your condition.