Hi, as your diabetes is high it can lead to decreased immune functions and makes you prone to many infections. First step is to control diabetes. Many herbal supplements help to correct the insulin secretions and insulin functions at cell level. Herbs like Neem, Guduchi, Haldi, Bilva and amalaki help to regulate cellular functions to utilize available insulin and helps to maintain glucose homoeostasis. Once blood Sugar levels comes in control the infection will reduce.These herbs are also proven to have anti-fungal and anti-microbial activities.