This is my first time pregnant and im scared

This my first child and now the symptoms I overlooked because I was too busy to pay attention, I'm facing them now. I haven't had the taste to drink water, and I haven't had the taste of wanting any. I always have the taste of drinking sodas and drinking juice. I haven't dranked water in almost a month. When I drink water it taste so nasty. My appointment isn't until may. after I drink soda, I later cramp. Is flavored water ok?