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Digested blood from the upper gastrointestinal tract may appear black rather than red, resulting in "coffee ground" vomit or melena. [2] Other signs and symptoms include feeling tired, dizziness, and pale skin color. [18] A number of foods and medications can turn the stool either red or black in the absence of bleeding. [2]
Esophagitis, esophageal varices, gastritis, cirrhosis or gastric ulcers for example, may bleed and produce coffee-ground vomitus. When unaccompanied by melena, hematemesis or a fall in hemoglobin with corresponding urea rises and creates an unstable reaction, and other causes of coffee ground vomitus need to be elucidated; for example, gastric stasis, bowel obstruction or ileus, that can cause ...
Coffee-ground-like vomit suggests less severe bleeding in the stomach because the gastric acid has had time to change the composition of the blood; Yellow or green vomit suggests bile, indicating that the pyloric valve is open and bile is flowing into the stomach from the duodenum. This may occur during successive episodes of vomiting after the ...
Porphyria / p ɔːr ˈ f ɪr i ə / is a group of disorders in which substances called porphyrins build up in the body, adversely affecting the skin or nervous system. [1] The types that affect the nervous system are also known as acute porphyria, as symptoms are rapid in onset and short in duration. [1]
A dermatologist explains the scientific reason hair turns gray and why it happens to some people early. Genetics and stress could be part of it.
A derm explains why hair can start turning gray early, specifically in your 20s. This is largely due to genetics but it can be stress, health, or other factors.
Quick hair 101: The hair we see is called the shaft. The bottom portion is called the root, which sticks into a follicle — or a tiny little sac on our head. Why does our hair turn gray?
The first indication of iron poisoning occurs within the first six hours post-ingestion and involves gastrointestinal symptoms including abdominal pain accompanied by nausea and vomiting with or without blood. Due to the disintegration of iron tablets, the stool may appear as black or dark green or gray. [4]