What's the problem with taking compazine together with reglan (metoclopramide)? if they can't be taken together, how long after taking compazine can i take reglan (metoclopramide)?

Severe side effects: Any med has some risk of side effects; when prescribing, we balance benefits against risks. When combining Compazine with Reglan (metoclopramide), (metoclopramide) rare risks of side effects of each are magnified & include confusion, fever, fast heart rate, stiff muscles,& involuntary movements. Recommend asking a pharmacist how long after Compazine it's safe to take Reglan (metoclopramide).Zofran (ondansetron) may be safer choice to ask doc about