The solutions for itchy hands after touching yam include general treatment and medication. Modern pharmacological research shows that yam contains alkaloids, saponins and other substances, these substances are prone to stimulate the sensory nerve endings on the human skin, so that the phenomenon of itchy hands after touching yam. 1. General treatment: when the symptoms of itchy hands, timely soak your hands in water, you can also add a little bit of vinegar in the water to reduce the yam alkaloids, saponins and other substances in the residue, you can relieve the symptoms of itchy hands. 2. medication: when the symptoms of itchy hands are more serious, you can also use glycerite lotion to stop itching; if necessary, temporarily use glucocorticoids, such as hydrocortisone cream, dexamethasone ointment, etc., to relieve itching symptoms; when the effect of topical drug therapy is not good, you can also take oral antihistamine therapy, such as loratadine, cetirizine, etc.. It is recommended that the patient according to their own situation, reasonable choice of treatment, medication, strictly comply with the doctor’s prescription medication, not blindly self-medication.