concern is that each new SSRI introduced seems to be a little stronger on serotonin reuptake and therefore potentially more dangerous. According to Clayton, the reason for fewer sexual side effects with Wellbutrin and Serzone is most likely the result of these drugs affecting different receptors in the brain than the other antidepressants. I stopped taking it after my head began to feel strange and my muscles started twitching, he recalls. You and your doctor will decide what type of treatment Seroquel Xl right for you. Store fluoxetine at room temperature away from moisture and heat. Follow your doctor's instructions. Prozac withdrawal Serotonin Syndrome - A disorder brought on by excessive levels of serotonin caused by drugs and can be fatal as death from this Seroquel Xl effect can come Seroquel Xl rapidly. Note : These Prozac side effects are also Prozac withdrawal side effects. Prozac Side Seroquel Xl as described by Eli Lilly and also by the people that have used. some.