### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
Hi, recently my lips have been extremely dry, so i have been using medicated lip glosses that have helped in the past with only slightly chapped lips. I have had problems with severely dry lips in the past, but i cannot remember how i dealt with the problem. This time i believe the problem is worse, because my lips have become dark in color, almost a black, and they have been throbbing slightly. What can i do to restore them to their natural/ healthy state? Could the cause of this be an allergic reaction or severely sensitive skin? p.s. I have had problems with sensitive skin; I got eczema last summer.

### output:

Hi, You seem to have chronic charities. There may be erythema, Chat Doctor.  You might have mild pain, burning and itching. There may be some cause. Lip licking might exacerbate the disease. Sundays exposure, cosmetics, lipstiks toothpaste, dusts...etc. might be responsible. Vitamin B complex deficiencies, anaemia or nutritional inadequacy might cause the disease... You consult dermatologist for firm diagnosis and treatment of its cause. Have blood tests to rule out any internal disease or vitamin deficiencies. You may take folic acid 5 mg thrice a day with iron tab. Antibiotics may be needed if there is secondary bacterial infection. Apply antibiotic cream with mild steroid like mometasone. You avoid soap, cosmetics and lipstick for good and fast result. Avoid bad habit of lip licking, if it is there. Do not injure the lip skin with your nails. You might get good result after few weeks. I hope this would help you in your treatment. Thanks.