In the majority of cases there will be warning signs and symptoms that something is wrong and that you need a check-up at the doctor. There are similar warning signs that overlap with type 1 and type 2 diabetes. But there are also symptoms that are specific to each type of the disease. Symptoms for type 1 diabetes can include: * An increased thirst that is not satisfied after drinking extra fluids * A frequent need to urinate (more than normal) * A dry or fuzzy feeling inside the mouth * Unexplained and sudden weight loss * Feeling light-headed, weak or dizzy * Sight problems such as blurry vision