By the looks of it, your husband is at a Pre-Diabetic stage. Along with this, it also seems like his body seems to be fighting a mild infection. This infection should be investigated and treated.
Ulcers are a major complication of uncontrolled
Diabetes Mellitus.
Next Steps
Serious lifestyle modification is required. Regular exercise, unique diet modification.
Health Tips
A video/phone consult is definitely recommended in this case to get a detailed history, review the test results and advice on a lifestyle changes and treatment. You can book one at dygnosis-dot-com.