Hi Antares;
This Drugs.com link lists rectal bleeding as a possible GI side effect of NAC.
http://www.drugs.com/sfx/nac-side-effects.html
I've had bleeding problems from B12 deficiency, but not rectal.
I surely hope you find the cause, it is very frightening.
This Drugs.com link lists rectal bleeding as a possible GI side effect of NAC.
http://www.drugs.com/sfx/nac-side-effects.html
I've had bleeding problems from B12 deficiency, but not rectal.
I surely hope you find the cause, it is very frightening.