I have been on pristiq for years at least 5. I recently went off it a week ago per dr. and started Zoloft per dr..after 4 days got rash on body contacted dr. she said stop Zoloft. off everthing now has been almost a week now. feel awful!! vertigo , feel hung over, dizziness, off kilter..how long does this last? I m afraid of feeling this way. mind feels foggy. see my dr. in 5 more days. anything I can do in meantime? had low lying headache that comes and goes. sleeping better, feeling calmer but hate this withdrawl.