Itchy hands after peeling yam is a kind of contact dermatitis performance, mainly because the mucus of yam contains certain saponin and plant alkali, skin contact, easy to irritate and allergic phenomenon. In addition to itchy hands, some people may also have redness and swelling, tingling in the hands, etc. At this time, vinegar can be used to stop itching. First of all, you can wash your hands carefully, including the fingers, fingertips and other places, you can add a small amount of white vinegar in water, stir and then use it to wash your hands, which can stop the itch more quickly, if the itch is more serious, and can not be relieved after washing hands with vinegar, you can also follow the doctor’s advice to use some anti-allergy drugs for treatment, such as loratadine, paracetamol, etc. You can also use topical mometasone furoate cream, halometasone cream, etc. Relieve itching. If not only itchy hands, but also itchy other parts of the body, throat edema and other allergic conditions, go to the hospital immediately for treatment, commonly used intravenous input such as dexamethasone, to prevent generalized itching and breathing difficulties due to allergies. It is recommended that when peeling yams, gloves can be worn to avoid itching from arising by avoiding direct contact between the skin of the hand and the yam. You can also blanch the yam in boiling water first, which can also relieve the itchy hands that occur when in contact.