Do i have Fibromyalgia?

I am in constant pain which has progressively got worse from the age of 15. It started with an uncomfortable back which I constantly clicked loudly (and got people to stand on).My back now doesn't click any more. I then started to feel get headaches when i was 17 and from then on had a constant pressure in my head and in the last three years I have had a constant worsening muscle pain; which includes at the side of my eye sockets near my nose-which i can just about touch), sides of my head, my jaw, under my ears, my neck, shoulders, arms, chest and my lower and upper back. All tender and sore to the touch. I get a horribly uncomfortable tingling sensation in my wrists elbows, ankles and toes, which i first felt in my back when i was 15 and i constantly want to click them!! I have had bad chronic migraine aura and tunnel vision for years. I am always tired and drowsy. I have terrible trouble focusing,concentrating, and i get terrible brain fog. The doctors have never had a clue what was wrong with me and have always told me i was just stressed! Which i desperately wanted to believe but in the last six months it has got so bad i have to face the fact it is probably a lot worse!! I came across Fibromyalgia on the internet last week. Could this be the cause of my suffering???