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Swallowing unusually large objects or placing objects in the back of the mouth may cause the pharyngeal reflex. Some people, for instance sword swallowers , have learned how to suppress it. [ 1 ] In contrast, triggering the reflex is sometimes done intentionally to induce vomiting, by those who have bulimia nervosa .
Aortocaval compression syndrome may cause syncope, restlessness, dizziness, headache, tinnitus, visual disturbances, numbness or paresthesia of the limbs, abdominal/chest discomfort or pain, nausea, and vomiting. [4] Some patients may be asymptomatic. [5]
For example, one patient described a person's face as having a nose deviated to the side, the mouth lying at a diagonal and one eyebrow being higher than the other. [5] Prosopometamorphopsia may either involve perceptions of the whole face or only one side of the face (usually after right hemisphere damage).
As the mouth and nasal cavity are connected via the back of the throat, particularly forceful vomiting, or producing large quantities of vomit may result in material being ejected through the nostrils in addition to the mouth. Individuals who do not regularly exercise their abdominal muscles may experience pain in those muscles for a few days.
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. [3]
Hypersalivation can contribute to drooling if there is an inability to keep the mouth closed or difficulty in swallowing (dysphagia) the excess saliva, which can lead to excessive spitting. Hypersalivation also often precedes emesis (vomiting), where it accompanies nausea (a feeling of needing to vomit).
Behavioral measures to decrease motion sickness include holding the head still and lying on the back. [3] Focusing on the horizon may also be useful. [2] Listening to music, mindful breathing, being the driver, and not reading while moving are other techniques. [2] Habituation is the most effective technique but requires significant time. [2]
The spins (as in having "the spins") [1] is an adverse reaction of intoxication that causes a state of vertigo and nausea, [2] causing one to feel as if "spinning out of control", [3] especially when lying down. It is most commonly associated with drunkenness [4] or mixing alcohol with other psychoactive drugs [5] such as cannabis.