 [ Symptoms ] taken off paxil cold turk now on celexa having brain zaps is this from the paxil or celexa staying dzzy  dont seem to have the zaps and dizziness now tll after i take the celexa in the morning time insomnia and light headed just dont know if the celexa is causing a allergic reaction or if its the paxil i was on for a year cant tell since i was on one and put on another one over night can you help and should i cntinue takeing the celexa if it is doing this [ Disease ] if overdose is suspected contact a poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canada residents can call a provincial poison control center symptoms of overdose may include severe drowsiness slowedreduced reflexes slowed breathing loss of consciousness