Throwing up period?

Question

Y I am throwing up and I am on my period this the 2 time it happen

Answer

It's normal. I used to throw up the first day of every period for years. Now I just get a little nauseous and might throw up every few months.

Answer

I do that on my first day when I 
1) don't take any medicine at all
2) take medicne with no food
or 3) don't eat at all..
it's horrible and I throw up different colors. so take medicne and EAT is the top two important things you can do. and drink lots of water.

Answer

The changes in hormones can make sick, it's happened to me before.