Need help please - nystatin

I tried literally a spec of nystatin powder a few months ago and got bad indigestion from it along with a loopy drowsy feeling. the next day i had cramps and mucus in my stool and a few days after that hard stools with constipation...all from just that tiny spec of powder. to me this indicates that i have candida. so how do i start a 1-3 month regimen if i get these horrible symptoms? im afraid this could be debilitating but i also need to get this shit under control cause its messing up my whole digestion and has been for over 10 yrs. appreciate any help Tweet