Charles Tyrwhitt Customer Service Charles Tyrwhitt customer service contact number is 0344 482 4000. This service number is available 24 hours a day and 7 days a week.
However, black stool can also be caused by a serious condition, such as bleeding in the digestive tract caused by a peptic ulcer. Black stool that is tarry in texture and foul smelling is often a symptom of upper gastrointestinal bleeding from the esophagus, stomach or small intestine.This is called melena.nswers. Best Answer: Adam, black stool can have several causes. Black stool is a condition in which the feces are very dark or black. Black stool may be normal in some cases and caused by ingesting certain substances or medications, such as iron supplements.
Abnormal stool colors: Greenish stool can mean you are passing food too quickly through the colon (diarrhea is often greenish). A good healthy raw diet that consists of green leafy vegetables can yield a greenish stool and this is considered normal. Yellowish stool indicates movement through the colon too quickly. Grey and pale colored stool could be undigested fats in the stool, especially if the stool is greasy and floats. An excessive use of antacids, Rolaids or Tums that contain aluminum hydroxide can change the color of your stool.