instruction: when I started paroxetine paxil 20 my for gad I had three side effects two of which were common difficulty sleeping and a lack of appetite the two were manageable as for the third which was a mild muscle spasms in my cheeks feeling like muscle cheeks are sometimes tight then relaxes this side effect lasted years then disappeared I think when I started exercising it helped disappearing that last year as per my do instructions I switched to paroxetine or 25mg cause the paroxetine 20 my was out of stock for months everything was perfect after which I started to take my pill at night by end of the month suddenly I started feeling as if the medicine had went out of my body and taking it again the old side effects of the cheeks muscles spasm are back stronger adding to it the neck back and front muscle contractions non stop and stiffness sometimes due to the continuous contractions next month only cheek spasms continuous disappeared completely throughout this period the muscle spasms contractions continuous were covering all the back and front neck muscles at the same time since months ago I began to feel the muscles of the back neck muscles getting smooth and slight improvement in the contractions they are getting mild and slow also feeling like cracking sound in my back neck muscles maybe due to stifness moreover the spasms in the muscles is now getting isolated sometimes back sometimes front neck not anymore all area at the same time I would like to clarify to you that there are no defects or abnormal movements such as tics or jerking movements in my neck muscle spasms or contractions are not visual only me who can feel them things are improving slowly it is annoying but I do not want to change meds cause I had very disaster experience with the previous ones from your experience how long will those spasms lasts in case I do not want to change meds what to do to reduce more and more any meds or supplements could be taken with the seroxat