Natural Treatments for Diabetic Ulcers and Sores A diabetic sore or ulcer is an open wound resulting from uncontrolled sugar levels in patients with diabetes, disrupting daily routines. Consult your doctor for managing these sores and ulcers. You can also consider these home remedies effective in treating diabetic wounds. Manuka honey is considered to be helpful in managing wounds, including diabetic sores, because its high level of antioxidants and antibacterial properties helps avoid wound infections and hastens the healing process of a wound. You can apply high-grade Manuka honey directly to the wound and cover it with a bandage. You can search online for the proper steps of applying it. If you are looking for certified organic Manuka honey in Singapore, check out these buying tips from Nature's Glory.