Hi, Ive been vaping for a few months now and I have read differnt post that question about feeling dizzy. I do not feel dizzy when I vape but My Fiance does get dizzy when she vapes. What im starting to find out is that its not so much the nicotine mg as it is the Proplyene Glycol and the Vegtible Glycerine. (spelling?) What I would suggest to anyone feeling dizzy is to try and either cutting out the PG and using strict VG or vice versa cutting out the VG and using strict PG. See if that makes a difference. Some people have weird effects depending on how your body reacts to the VG and PG. Any suggestions or comments please let me know. Thanks again.