Yes get tested to see if your a diabetic, and the sooner the better. Once you have been told that your diabetic then you will start a treatment plan that will suite your problem. It is not as bad as you have been lead to believe. It could be as simple as diet and exercise or diet and pills or insulin shots. within a few week you should have your energy levels back. You don't always need sugars to increase you energy levels you will find that by eating Right that you will feel better. I would recommend the book Diabetes fro Dummies It is the best book that I have read on the subject. but don't stop there read any thing you can go to the local diabetic groups and learn. you have to educate your self You are going to experience a life stile change some of it you will like some you will not. Good luck