Is it normal to feel nauseous before period?

For Many, Yes: Many people feel nausea before they menstruate. There is a plethora of symptoms that accompany "that time of the month" for many, although not all, women. It is commonly called pre-menstral syndrome, or pms for short. Nausea, lethargy, increased emotions, etc are all known possible effects of the body going through it's normal monthly cycle. If you feel your symptoms are acute, please see gyn.

NO: It is part of pms and is ? Probably accompanied by chocolate, sugar or salt craving. It is caused by poor diet, especially sugary stuff.