Skin plaques can be categorized into many kinds of cases, if some red spots with itching sensation appear on the skin, it may be the occurrence of skin allergy, and glucocorticoid and antihistamine can be applied to alleviate. In some patients, erythema with itching may be accompanied by scaling, which is a fungal infection, and can be treated with ketoconazole, miconazole and other drugs. There are also so-called plaque formation is actually the occurrence of hyperpigmentation, if it is due to inflammation does not need to be treated, with the slow prolongation of most of the time can subside on their own, but some of the hyperpigmentation can be considered to apply laser and hydroquinone cream and other external coating to remove. If some plaques occur on the skin and are significantly higher than the skin, such as seborrheic keratosis, it is recommended that patients apply laser to remove them. So it is important to determine what exactly is going on with your skin patches before treating them symptomatically.