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Emetophobia is a phobia that causes overwhelming, intense anxiety pertaining to vomit.This specific phobia can also include subcategories of what causes the anxiety, including a fear of vomiting or being vomited on or seeing others vomit. [1]
The vomiting act encompasses three types of outputs initiated by the chemoreceptor trigger zone: Motor, parasympathetic nervous system (PNS), and sympathetic nervous system (SNS). They are as follows: Increased salivation to protect tooth enamel from stomach acids. [12] (Excessive vomiting leads to dental erosion.) This is part of the PNS output.
Stomach pain or tummy troubles are among the most common ailments that affect children and adults alike. Feelings of bloating, cramping, constipation or nausea often occur because of something ...
Vomiting (the expulsion of gastric contents) is usually preceded by retching, but retching and vomiting can occur separately [6] and involve different sets of muscles. [7] During a retch, thoracic pressure is decreased and abdominal pressure is increased , which may serve to position gastric contents and overcome esophageal resistance. [ 6 ]
Stomach upset, nausea, vomiting, diarrhea, fever, and cramps are common symptoms, but blood in your stool can also occur and should warrant an urgent medical evaluation, she adds. Food poisoning ...
Hernias or vascular conditions like abdominal aortic aneurysm, though less common, may also cause pain in this region, Dr. Boxer points out. What causes lower abdominal pain in females? The cause ...
Unlike rumination, gastroparesis causes vomiting (in contrast to regurgitation) of food, which is not being digested further, from the stomach. This vomiting occurs several hours after a meal is ingested, preceded by nausea and retching, and has the bitter or sour taste typical of vomit. [4]
Medications taken to prevent and treat nausea and vomiting are called antiemetics. The most commonly prescribed antiemetics in the US are promethazine, metoclopramide, and the newer ondansetron. The word nausea is from Latin nausea, from Greek ναυσία – nausia, [4] "ναυτία" – nautia, motion sickness, "feeling sick or queasy". [5]