On and off nausea?

Amanda

With my sons pregnancy it was a breeze! I experienced nausea at 4 months then went away rather quickly but with this pregnancy my nausea will be so bad some mornings (never gets to the point of throwing up, just really bad gagging) and some days I just want to eat everything. Like today I ate cereal for breakfast and some fruit. My nausea is at the point where drinking water is grossing me out. Lol Is this normal at 8 weeks pregnant?