you may be having withdrawal symtoms, pexeva is generic for paxil, i found this:

Here you will find a list of symptoms which originated from my personal experience while getting off Paxil . Over time, this list has been augmented by symptoms which have been reported by others going through the process.

Source: http://www.quitpaxil.info/Main/symptoms.ht m

Look in less frequently reported symtoms:
-"scratching sound" inside one's head
- constant white noise in the ears
- tingling sensation in cheeks, lips, tongue and surrounding areas.