Is a cross reaction between imigran or maxolon?

No but. . . Imigran appears to be a brand of sumatriptan sold in australia while maxolon appears to be a brand of Metoclopramide also sold in australia. Once you have generic name, go to either online. Epocrates. Com or to drugs. Com to make use of their interaction checker. While both (all drugs, really) have side effects, there're no major interactions listed between these two.