The possible causes of swelling of the right hand after drinking include allergic factors, vasodilatation, gouty arthritis, and so on. 1. Allergic factors: If you are allergic to alcohol, an allergic reaction may occur after drinking, such as the appearance of a red rash on the skin, resulting in itching, redness and swelling of the skin, which leads to the swelling of the right hand. 2. Vasodilatation: As alcohol can play the role of vasodilatation, increase the peripheral blood volume, which leads to the symptoms of swelling of the right hand after drinking. 3. Gouty arthritis: after drinking because of the metabolic effect, may make the body’s uric acid rise sharply, triggering gouty arthritis, the symptoms of the right hand swelling, mostly in the past with a history of gout or renal insufficiency. Swelling of the right hand after drinking may also have other causes, such as alcohol trauma, etc., if it continues to be unrelieved, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then under the guidance of the doctor to give targeted treatment or treatment, so as to avoid delays in the condition.