Try for free with code SEE4FREE Â». Allergy-related sinus congestion can lead to dizziness or a more severe type of dizziness called vertigo. Keep reading to learn what causes your allergy-related dizziness, and how to treat it.
Report Abuse. Brown. Feces are mostly shades of brown or yellow because they are also made up of an orange-yellow substance called bilirubin that is present throughout the body and particularly in the intestine. When iron combines with bilirubin, it gives it a brown color.eport Abuse. Brown. Feces are mostly shades of brown or yellow because they are also made up of an orange-yellow substance called bilirubin that is present throughout the body and particularly in the intestine. When iron combines with bilirubin, it gives it a brown color.
1. Figure out your stool's baseline color. The ideal poop is medium brown, but some variation can be found among healthy people. 1  Green or yellow stool is usually caused by your bowels moving too fast, as with mild diarrhea. 2  Bile, the main pigment in poop, starts out green and turns brown over time. 3  Pale gray or yellow feces may indicate liver disease.