In Type 1 Diabetes, the body’s immune system attacks the pancreas and the body loses its ability to make insulin and the person needs to take insulin injections on a daily basis. Symptoms include Extreme thirst, Frequent urination, Unexplained weight loss, even though you’re eating well, Increased hunger (especially after eating), Dry mouth, Fatigue, Blurry vision, Heavy, labored breathing, Frequent infections of your skin, urinary tract, or vagina, Crankiness or mood changes, Bedwetting in a child who’s been dry at night.