The wound might have been caused by physical trauma either scratching or minor injury like hitting a table which has gone unnoticed , it might also be an insect bite .. since the wound is healing there is some redness ( the wound however is clean ) . There might be some itching sensation at this time . Avoid further trauma ( even itching ) . Moisturise ur skin with cream regularly and keep monitoring ur sugars . The wound will heal .
Your
hba1c suggests that you are a non diabetic or a diabetic who is taking higher doses of antidiabetics than required ( if so kindly consult ) . Also if any other symptoms like fever , rashes , abdominal pain ( consult )