 [ Symptoms ] what should i do if i suspect an overdose of bromfed dm [ Disease ] if overdose is suspected contact your local poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canadian residents should call their local poison control center directly symptoms of overdose may include agitation confusion flushing hallucinations large pupils muscle twitching seizures in children excitement may occur first and may be followed by loss of coordination drowsiness loss of consciousness seizures