Back pain after drinking alcohol may be caused by gout, or a combination of other underlying diseases can also lead to back pain after drinking. 1. Gout: Alcohol can lead to elevated uric acid in the body, and elevated uric acid can induce the deposition of uric acid crystals in the kidneys, leading to the appearance of kidney stones. When the size of kidney stones is relatively large, pain in the lumbar spine rib corner area may occur. 2. Underlying diseases: lumbar disc herniation, lumbar muscle strain, drinking alcohol will stimulate the relevant parts, aggravate the swelling of local tissues, may also be aggravated by drinking. Drinking back pain may also be related to alcohol allergy, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.