my mum was on cardizem 120mg she has now been switched to diltiazem hc1 ca 120mg cd ever since taking this she has upper stomach pain, runny nose, flatulence, nausea, when laying down she at times has to get up and vomit she looks pale all the time, is having nightmares and feels thirsty is this these pills doing this to her? she was told cardizem is no longer available