Long-term rashes around the corners of the mouth, mainly considered with allergies, infectious diseases or chronic eczema, etc., need to take according to the specific causes to reduce food stimulation, oral anti-allergy drugs, topical antibiotics, topical antipruritic drugs and other ways of treatment.
1. Allergic factors: if the skin at the corners of the mouth is in contact with allergic substances, it will lead to long-term rash at the corners of the mouth, you can choose to take anti-allergic drugs, such as loratadine tablets.
2. Infectious diseases: If the skin area of the corners of the mouth has bacterial or fungal infections, triggering inflammation, it is easy to appear the phenomenon of red rashes, you can consider treating it with topical erythromycin ointment and other medications; if it is infected by viruses, such as herpes simplex virus, you can choose to use topical antiviral medications to treat the problem, such as acyclovir cream, and so on.
3. Chronic eczema: If chronic eczema occurs at the corners of the mouth, it is easy to have red rashes along with itching symptoms, and can be treated with topical glycerine lotion.
If you have a long-term rash around the corners of your mouth, it is recommended that you visit a dermatologist for targeted treatment under the guidance of a professional physician.