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Morning sickness, also called nausea and vomiting of pregnancy (NVP), is a symptom of pregnancy that involves nausea or vomiting. [ 1 ] Despite the name, nausea or vomiting can occur at any time during the day. [ 2 ] Typically the symptoms occur between the 4th and 16th week of pregnancy. [ 2 ]
Previous studies have suggested sickness and nausea in pregnancy could relate to GDF15 being produced by the placenta, but researchers said the “full mechanistic understanding is lacking”.
Nausea is a diffuse sensation of unease and discomfort, sometimes perceived as an urge to vomit. [ 1 ] 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.
Doxylamine and other first-generation antihistamines are the most widely used sleep medications in the world. [6] Typical side effects of doxylamine (at recommended doses) include dizziness, drowsiness, grogginess, and dry mouth, among others. [7][4] As an antihistamine, doxylamine is an inverse agonist of the histamine H 1 receptor.
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Exercise-induced nausea. Exercise-induced nausea is a feeling of sickness or vomiting which can occur shortly after exercise has stopped as well as during exercise itself. It may be a symptom of either over-exertion during exercise, or from too abruptly ending an exercise session. People engaged in high-intensity exercise such as aerobics and ...
Scientists are moving forward with researching cures for morning sickness, including testing drugs that block GDF15 from binding to its receptor in the brain, and exposing women to the hormone ...
Meclizine, sold under the brand name Bonine, among others, is an antihistamine used to treat motion sickness and dizziness (vertigo). [3] It is taken by mouth. [3] Effects generally begin in an hour and last for up to a day. [3] Common side effects include sleepiness and dry mouth. [3]