According to your query and sign and symptom you want to know about the disease and cause and it's best Treatment of rashes on the body of grand father Please take consultation for better evaluation and best Treatment as it need complete history of patient as personal and family history. Please follow good life style as • take plenty of fluid and • take less spicy and fatty foods and • take home made food only and do exercise regularly with yoga and meditation and • keep positive attitude to fight any disease and any problem of your life

Can help you, kindly consult and provide detailed history for proper diagnosis and further management

Need few more details Kindly consult

These rashes could be due to his diabetes.first thing to check for is blood sugar profile  to check if sugars are controlled.

Connect please

It is looks like his skin is sensitive to some type of allergen kindly consult to take more history regarding those rashes then only we can come to conclusion

Momate F cream twice daily. Tab Cetrizine once daily if itching Consult for better control of diabetes