What should I do if I have a patch on my forehead that looks like ringworm and is dry and itchy?

Forehead long a piece of stuff is very like ringworm skin also dry itch, may be the face of ringworm, seborrheic dermatitis, neurodermatitis and other diseases caused by the general can be treated by the application of drugs.
1. Ringworm: a fungal infection that occurs on the face. It is an infectious disease caused by fungal infections such as Trichophyton rubrum, often manifested as red papules and papules with red patches, which may be accompanied by itching and other symptoms. Patients can follow the doctor’s instructions to use topical bifonazole cream, amorolfine hydrochloride cream and other drugs. Pay attention to personal hygiene, reduce contact with patients.
2. Seborrheic dermatitis: The cause of seborrheic dermatitis is unknown, and it may be related to Malassezia infection, impaired skin barrier function, etc. Seborrheic dermatitis occurs in parts of the human body where sebum secretion is exuberant, such as the head, the face, etc., and the affected area of the skin will have itching, erythema, and peeling of flakes, etc. The patient can use salicylic acid ointment as a topical medication. Salicylic acid ointment, clotrimazole cream and other drugs can be used externally.
3. Neurodermatitis: long-term mental tension, anxiety, work pressure can appear, manifested as local plaques, the surface of the obvious moss accompanied by itching, flaking. Can be used externally mometasone furoate cream, oral loratadine and other antihistamines.
Forehead long a thing very like ringworm peeling and dry, pay attention to local skin care, wash with warm water, wash after applying moisturizer, this symptom may also be seen in other diseases, it is recommended to consult a doctor in a timely manner, to determine the cause of the treatment. The medication should be used in accordance with the doctor’s instructions, do not self-medicate.