Itchy body when touching moldy things is considered to be contact dermatitis, urticaria, allergic dermatitis, etc., mainly through drug treatment. 1. Contact dermatitis: contact dermatitis is an inflammatory skin disease triggered by skin contact with external substances, erythema, edema, papules and other symptoms, accompanied by itching. Topical glucocorticosteroids such as hydrocortisone cream, dexamethasone cream, combined with infection can be applied mupirocin ointment, fusidic acid cream, if accompanied by a small amount of seepage, you can use zinc oxide oil astringent. 2. urticaria: urticaria may be related to physical stimulation, contact with moldy things will cause skin irritation urticaria, first of all should be away from moldy things, severe itching can be coated with glycerine lotion or mometasone furoate cream, purely topical medication is not good enough to choose antihistamines, such as cycloheximide tablets, cetirizine hydrochloride tablets. 3. Allergic dermatitis: moldy things contain mold, some people are allergic to mold, in contact with the allergic reaction will occur after the skin redness, swelling, itching, with water to contact with moldy items in the parts of the clean, serious symptoms can be oral benadryl tablets, azelastine tablets to relieve itching. Touch moldy things body itching may have other reasons (such as eczema, psychological reasons), it is recommended to go to the hospital for examination, by the doctor to clarify the cause of the symptomatic treatment, the above drugs should be used in accordance with medical advice.