body/head zaps

Hi ive been on and off seroxat for about 12years,i used to get what i call brain zaps when withdrawing from seroxat..but after increasing from 10mg to 30mg 2 months ago,the past week im getting the brain and body zaps even though im still taking them???...Anyone else get this?....

I haver been on seroxat for 9 weeks, initially 20mg increased 2 weeks ago to 30mg and occasionally get brain zaps.

Its horrible isnt it ive just never had them unless ive cut down so not sure why its happening?..