instruction: hello doctor my father is 65 years old he seems to have developed some patches on his skin they are blackish red and also seem to have some pus he is a diabetic and currently under medication for diabetes heart and urine issues
output: hi I have seen the picture it is diabetic dermopathy with bacterial infection skin lesions like carbuncle ecthyma are common in diabetics diabetic microangiopathy is responsible for diabetic dermopathy usually they appear on legs but may occur on forearm as in our case post inflammatory hyperpigmentation are seen on forearm of long standing diabetic patients also faulty insulin injection techniques cause induration scar formation keloids and abscess formation the treatment is control of diabetes follow the adage do no harm potent topical steroid like renovate cream at night for 15 days can be tried under occlusion focus should on preventing ulceration fucibet cream fusidic acid and betamethasone twice daily for 10 days use cetaphil moisturizing lotion for 20 days and tablet ifi 200 my cefixime twice daily for five days