Wellbutrin and despair

I have been taking wellbutrin 100mg SR for about six weeks now. The first two days were the worst, my heart would pound and I would feel very irritable and sometimes violent during the day. In the evening when it wore off I would feel very sad, sometimes feelings of complete despair. On one occasion I spent 15 minutes laying in the floor of my bedroom crying uncontrollably. After a few days these effects wore off and I have felt a lot better about things. I no longer dwell on negative things, I am able to move on and I am happier in general. This morning I took my pill at 8:00 and fell asleep and experienced very clear, vivid, lucid dreams in which i would wake up (in the dream) and move on to the next dream, realize it was a dream, and then wake up again(in the dream) I couldn't tell if I was awake or dreaming. However, this is the first occurrence of strange dreams. Overall, this medication has helped me a lot.

During the three weeks I was using 150 mg. Wellbutrin, ringing in the ears gradually increased, mild headaches on top of my head, occasional light spasms around my mouth, constipation, and bladder problems. My sleep was unaffected, and my depression did not lift. My dose was increased to 300 mg, and by the fourth day, I was having serious facial spasms, intense headaches, louder and constant ringing in the ears, almost 'round-the-clock wakefulness, anxiety, difficulty thinking and completing sentences, pounding heart, amplification of sounds, jitters and quaking. I felt like a car, perpetually idling so roughly that all my parts were about to rattle right off the chassis. On the fifth day I took nothing. I've had some chills, a little nausea, headache, neck-ache (Isn't that weird?!) and some ringing, but at a lower volume that's hardly noticeable. This is the fourth day with no Wellbutrin, and I haven't had facial spasms at all in the past couple of days, have less nausea, and the very funky smell produced in my urine from the second week I was on the meds has calmed down. If I'm still in a depression it's been overshadowed by the most awful side effects I could have imagined. It felt like the spector of death was overtaking my body by day four of that 300 mg. dose. I had been on a hefty dose of Zoloft daily for almost ten years and never experienced anything unpleasant other than weight gain, my reason for trying to switch meds because I couldn't quit putting on weight no matter what. I am going to try SAM-e, and suggest that anyone looking for a natural alternative, with the prospect of few and insignificant side effects, do an online search. Whether I find success with the SAM-e, or if it falls short of what I need, I'll post here to let you know what happens. A month ago I thought the depression was the end of the world; I think the cure was worse than the disease.