The main ingredients of compound indomethacin tincture include the following: the first, indomethacin, which is a non-steroidal anti-inflammatory drug, can be used to reduce local inflammation; the second, chlorpheniramine maleate, which is an antihistamine, can reduce some allergic manifestations; the third, dimethoate, which is a broad-spectrum bactericide, can play a bactericidal role. Therefore, compound indomethacin tincture can be used for the topical treatment of some skin lesions, including solar dermatitis, contact dermatitis, papular urticaria, eczema, neurodermatitis, seborrheic dermatitis, as well as itchy skin, acne, and mosquito bites. It should be noted that this medicine contains alcohol, that is, ethanol, for people who are allergic to alcohol this medicine should not be used.