found this and im sure alot of people were wondering what the differences were - i was.
Ephedrine HCl is approximately 82% ephedrine by weight.
Ephedrine sulfate is approximately 77% ephedrine by weight.
25 mg ephedrine HCl = 20.5 mg ephedrine
25 mg ephedrine sulfate = 19.25 mg ephedrine
no more primatene for me.
bronkaid you get 100% more, and a 5% difference in mg.