Guaifenex and guaifenex pse 600

My dr prescribed me Guaifenex PSE 600/60 and Z-pack antiobiotics for my tonsillitis. I must say the Guaifenex really helps my sinus drainage but I cannot sleep at all. Here it is 3am and I am not one bit tired. Also, it seemed to trigger panic attacks. Overall, seems to work well but the side effects are killin me.

I've been taking two tablets of Guaifenex PSE 600 twice a day for 3 days and today is the last time I do. I have the flu and so I should be getting plenty of rest, but as tired as I may be, I haven't gotten more than 4 hours of sleep a night since I started this. Normally I can sleep 10 hours at a time with no problem, but I haven't gotten to sleep before 5 am since I started this medication, I wake up 5 or 6 times through the night and can't sleep past 9, latest.

I have never had a reaction to medication before, this is absolutely ridiculous. It's clearing up my congestion but not letting me get the rest I need to get better, so I've just ended up sicker than when I went to the doctor. I'm not pleased at all.

It's midnight and I'm sitting here thinking do I go to the hospital or do I wait it out and see if all this stops. I took 1 Guaifenex PSE 600/120 about 4 hours ago. My heart is beating so fast I can't even count the beats per minute. I feel so scared. I've never had anything like this happen to me. I can't speak; my troat is to sore from coughing up mucous. I just sit here downing glasses of water hoping it will all stop and soon!

I WILL NEVER THIS THIS STUFF AGAIN!

Was prescribed Guaifenex PSE 600/120 for an sinus infection. Took my first pill last night at 9:00pm before bed and let me say I have yet to sleep. It's now 11:45am and I am still not tired. Will never take these again. Help...

I have noticed the following side effects after taking Guaifenex PSE 600:
1) Difficulty sleeping
2) Body becomes warm
3) Diziness

My doctor prescribed Guaifenex PSE 600 for extreme sinus congestion. I started taking the pills (1 every 12 hours) yesterday. Yesterday morning, I experienced really bad nausea & light headedness. I was able to breathe so much better, the drainage & congestion had really cleared up. I am not experiencing the dry mouth, nor sleeplessness, but I am concerned because this morning I am having chest pain. I'm a bit worried about continuing this medicine. It works soooo good, but don't think the side effects are worth it.