There is no such thing as the best and fastest anti-itching effect, commonly caused by itchy diseases such as neurodermatitis, prickly heat, mossy dermatitis, which can be relieved by medication. 1. prickly heat: often occurs in hot environments, due to sweat can not be evaporated, duct obstruction caused by small blisters on the skin, itching, you can keep the skin dry, the external use of glycerite lotion to play the effect of itching. 2. Mossy dermatitis: caused by contact with chemicals or allergies, itching is unbearable, scratching will cause local skin thickening, anti-itching usually use hormone drugs, such as dieldrin ointment, dexamethasone cream, mometasone furoate gel, etc., through the inhibition of inflammatory reaction, reduce the amount of inflammatory exudate, inhibit the proliferation, to achieve the effect of itching, hormone drugs should not be used for a long time, so as to avoid causing damage to the skin. 3. Neurodermatitis: intense itching as a manifestation of the disease, occurring in the neck, wrists and other parts, the more you scratch the more itchy, so that the skin becomes rough, hypertrophic, you can take oral medication to stop itching, using loratadine tablets, chlorpheniramine maleate tablets, etc., can fight against the hair to fight against the dilation of capillaries, reduce permeability, can effectively relieve the itching, the use of the process of discomfort, the medication should be discontinued immediately. There is no absolute itching effect the fastest, specifically according to their own situation, under the formal guidance of the doctor’s medication.