Can I take Zinetac and Tricaine MPS during pregnancy?

Q: I am five month pregnant. Can I take zinetac medicine and tricaine-mps during pregnancy? If yes, at what time should i take these medicines?

A:The use of ranitidine (Zinetac) is contraindicated (not recommended) during pregnancy since its effects and adverse effects, if any, on pregnancy and foetus are not known. Tricaine MPS can be used during pregnancy.