Type 2 diabetes symptoms: Seven warning signs you have high blood sugar levels

In women, there may be itching and irritation around the vagina, as well as soreness and stinging during sex or urination.

For men, irritation, burning and redness may appear around the head of the penis and under the foreskin.

There may be an unpleasant smell, and difficulty pulling back the foreskin.

The last warning sign of type 2 diabetes is “blurred vision”; the condition is the “most common cause of vision loss and blindness”.