Itchy hands after contact with yam belongs to contact dermatitis, is a kind of allergic reaction, should promptly rinse the local skin, avoid direct contact with yam again, according to the severity of the itchy hands to choose topical drugs or oral medication to relieve the symptoms.
1. Topical medication: Usually after the symptoms of itchy hands can be used externally to relieve itching, but also can be used externally mild glucocorticoid drugs, including hydrocortisone, Dinaid, etc., can be anti-inflammatory, anti-allergic effect, to relieve itching, burning symptoms. If itching leads to scratching and oozing, drugs such as zinc oxide oil and 3% boric acid solution can be used externally.
2. Oral medication: If the symptoms of itching are not relieved by topical medication, oral medication can be taken to relieve the symptoms. Usually choose antihistamines, including loratadine, cetirizine, phenylephrine, etc., through the antagonism of histamine-related receptors, to relieve the symptoms caused by allergic reactions.
Contact dermatitis should avoid re-exposure to the sensitizer and avoid scratching when itching occurs. Do not self-medicate, it is recommended to go to the hospital, follow the doctor’s instructions to choose drugs standardized treatment.