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As an antihistamine, doxylamine is an inverse agonist of the histamine H 1 receptor. As a first-generation antihistamine, it typically crosses the blood–brain barrier into the brain, thereby producing a suite of sedative and hypnotic effects that are mediated by the central nervous system. (N.b.:
Postural orthostatic tachycardia syndrome (POTS) is a condition characterized by an abnormally large increase in heart rate upon sitting up or standing. [1] POTS is a disorder of the autonomic nervous system that can lead to a variety of symptoms, [10] including lightheadedness, brain fog, blurred vision, weakness, fatigue, headaches, heart palpitations, exercise intolerance, nausea ...
Gastroparesis (gastro- from Ancient Greek γαστήρ – gaster, "stomach"; and -paresis, πάρεσις – "partial paralysis"), also called delayed gastric emptying, is a medical disorder consisting of weak muscular contractions ( peristalsis) of the stomach, resulting in food and liquid remaining in the stomach for a prolonged period of time.
Rumination syndrome, or merycism, is a chronic motility disorder characterized by effortless regurgitation of most meals following consumption, due to the involuntary contraction of the muscles around the abdomen. [ 1] There is no retching, nausea, heartburn, odour, or abdominal pain associated with the regurgitation as there is with typical ...
Nausea is a diffuse sensation of unease and discomfort, sometimes perceived as an urge to vomit. [ 1] While not painful, it can be a debilitating symptom if prolonged and has been described as placing discomfort on the chest, abdomen, or back of the throat. [ 2] Over 30 definitions of nausea were proposed in a 2011 book on the topic.
Pyridoxine, metoclopramide [ 4] Frequency. ~1% of pregnant women [ 5] Hyperemesis gravidarum ( HG) is a pregnancy complication that is characterized by severe nausea, vomiting, weight loss, and possibly dehydration. [ 1] Feeling faint may also occur. [ 2] It is considered more severe than morning sickness. [ 2]
Abdominal pain. Abdominal pain can be characterized by the region it affects. Abdominal pain, also known as a stomach ache, is a symptom associated with both non-serious and serious medical issues. Since the abdomen contains most of the body's vital organs, it can be an indicator of a wide variety of diseases.
Lauren Bell was stressed out and just starting her first job post-college in New York City when she realized a bout of food poisoning wasn’t going away after weeks. A doctor’s appointment ...