Following the prescribed directions on how to use zyban, I started having the following side-effects on the third week of use and rushed to the emergency room on the 4th week with heart attack symptoms: flushed skin, heart/blood pressure increased, blurred vision, dizziness, crying spells, rash on chest to lower abdomen area which lasted for 2 months, loss of appetite (I lost 15 lbs. during the 3 months of side-effects), loss of sleep, anxiety and mood swings, loss of sexual drive, depression, neck and muscle jerking (dystonia - some of which lasted from one minute to one episode which lasted for 3 hours!! 15-20 episodes/day. Emergency personnel suggested stop taking the zyban which I immediately did. I should stop taking caffeine immediately...upon doing so, all side-effects subsided. I have been caffeine free since July 29, 1999 and have had no side-effects.

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