any one of the side effects get serious, or you discover any type of various other negative effects not discussed in this brochure. Do not fret if you sometimes forget to use this item, simply continue using it when you remember. If you inhale a lot of the vapour from the gel it might make you feel light-headed. H. At the end of therapy, if the white spot is hard to get rid of, you can leave it because it will ultimately diminish by itself.