Nausea metformin and acarbose in type 1 and vomiting can come with PMS, but considering all your other symptoms, you do sound very pregnant. Even if they don't develop diabetes, these people are at increased risk of heart disease. If your insulin is not working properly, or is not there at all, glucose will not be entering your cells and providing them with energy. Other metformin and acarbose in type 1 symptoms include: These symptoms tend to be chronic, lasting at least 6 months and may cause teenagers to miss school or activities. Instead, leave a few lines between each symptom on the list so that you can return to them as required.