Diabetes symptoms: 6 unusual warning signs of high blood sugar

Bad breath: When body has high blood sugar, it causes frequent urination to flush toxins. This may cause dehydration, less saliva production causing a fruity or bad smelling mouth.

Gum disease: Uncontrolled diabetes may increase sugar level in saliva. This becomes thriving ground for bacteria causing gum disease and poor breath.

Blurry vision: High blood sugar sometimes may damage nerves affecting eye vision.

Nausea: Elevated blood sugar levels may lead to damaged nerves in stomach that causes nausea, slowly empties it - gastroparesis.

Dry mouth: Also called xerostomia, excess of sugar makes the body urinate frequently leading to dryness in mouth.

Dark skin on neck: Insulin insensitivity may cause velvety dark coloured patches.

This is generic information and no substitute to medical advice.