Muntah dan ubat

adkh normal even dh 18 weeks tp still muntah n mual? i kena depends on ubat than muntah stiap hri kalau x stu mknan pn xleh msuk..berat pn turun..hm risau dgn baby xdpt nutrien ? is it ok mkn ubt stiap hri...cmne nk hilgkn muntah ye