Am I normal? What is wrong with me?

Throughout my life I've had slight mood swings but over the pat year or so they have been getting quicker cycling and more intense (instead of being a bit moody I'm full on depressed). My moods change like this: down, normal, up then back to normal. It used to be almost unnoticeable and lasted months at a time but in the past month it has cycled is quickly and intensely so much that over a week I can go from being suicidal to being the happiest guy on the planet. It's really began to effect me as a person, my social life and my schoolwork.

During a down (depressive) period I feel:
Very lethargic
Really anxious and nervous
Lost interest in hobbies
Easily agitated and angry for seamingly no reason
Fed up
Hopeless
Contemplations of suicide
Aimless
Pathetic
Self hating
Over eating
Depressed
Very pessimistic

During an up period I feel:
Extremely talkative
Motivated
Creative
Ecstatic
Not over thinking and over analysing everything
Live for the moment type attitude
Extremely optimistic
A bit inconsiderate and selfish
Jumping between thought in my head quickly
Confident with my self
Can't concentrate and easily distracted

I've wondered for awhile wether it was something like bipolar II but I didn't know if it was because of the normal period in-between and faster cycling. So is it just really bad mood swings or something like cyclothymia. I'm quite worried and just want to get myself sorted so I can concentrate on my life.

Any advice or any idea if I need help? I know teens usually have mood swings, but normal mood only last a few hours aren't as dramatic as thinking of suicide. Help appreciated!

What you describe could be cyclothymia or bipolar, depending on severity. Just by the fact that you're asking if you need help, I'd say yes. Nobody on these forums can diagnose you. These forums are so you can anonymously talk things out and get a handle on problems. But it takes a visit with somebody qualified to diagnose you to tell you if you have one of the conditions already mentioned or something else.

The best thing I can probably tell you is you're not the only one in the world who has the ups and downs. You're also not the only person in the world who has felt suicidal. That's the thing that most says you need help.

The next best thing I can tell you is how good it is for you that you're figuring this out now. Some people struggle with bipolar disorder or cyclothymia for years before they know what's happening. If that's what you have, you can minimize the effects it has on your life before it wrecks a career or a marriage. A psychiatrist may tell you it's something else. Keep an open mind about it. The more important thing is that you learn to handle the issues you have.