Clomid question! Advise please :)

Lori
So I stopped my last tablet on the 23rd... Felt fine till a few days ago where I just wake up feeling sick and go to bed feeling sick. 
Today (ovulation day) I've felt terrible all day I've felt so sick, the smell of certain things are making me gag like crazy!  just got home from work and thrown up about 4 times.
Is this normal?? Am I having a side effect to clomid or what is this that's caused me to feel so sick for so long and actually be sick.
Ps I know this is not a bug as I feel fine in myself, I just feel ikky and really sick