Chlorphenamine APIs

Chlorphenamine APIs are usually white crystalline powders. It is an antihistamine drug that can competitively block the binding of histamine to the H1 receptor, inhibit the dilation of small blood vessels, reduce vascular permeability, decrease exudation, and alleviate allergic reactions. It is mainly used for the treatment of allergic diseases such as allergic rhinitis, urticaria, eczema, and skin pruritus. It can also be used to relieve symptoms such as sneezing and runny nose caused by a cold.