The common causes of a patch of skin red like ringworm include tinea corporis, psoriasis vulgaris, pityriasis rosea, etc. It is necessary to clarify the cause of the disease and then choose the appropriate medication, such as itraconazole, loratadine, hydrocortisone, etc., to target the treatment.
1. Tinea corporis: Tinea corporis manifests itself as single or multiple, round, well-bordered scaly patches on the skin, which may be accompanied by itching and other symptoms. For treatment, topical antifungal medicines can be used, such as miconazole nitrate cream, clotrimazole cream, etc. For serious cases, oral antifungal medicines, such as itraconazole, terbinafine, etc. should be taken as prescribed by doctors.
2. Ordinary-type psoriasis: this disease is mainly manifested by recurrent scaly erythematous spots, papules and plaques. For treatment, glucocorticoid ointment can be used externally, such as mometasone furoate ointment, hydrocortisone cream, etc.; vitamin D₃ analogs can be used externally for treatment, such as cardapotriol. Meanwhile, oral immunosuppressant, such as methotrexate, etc. should be taken as prescribed by the doctor; in severe cases, biologics can be applied to treat the disease, such as infliximab and adalimumab.
3. pityriasis rosea: this disease is characterized by round or oval rose-red spots along the skin lines, covered with fine chaff-like scales. This disease is self-limiting, generally can be relieved on its own, but the course of the disease is long, give erythema amount of UVB irradiation treatment can shorten the course of the disease; if the patient is accompanied by itchy symptoms, can be symptomatic treatment, such as topical glucocorticoid ointment, oral antihistamine drugs.
It is recommended that patients with red like ringworm go to the dermatology department of the regular hospital in time to get a clear diagnosis, strictly follow the doctor’s instructions for treatment, and not blindly self-medication.