Normal Gag Reflex
1. Response to posterior pharynx tactile stimulation
2. Signal transmitted to reflex center in medulla
3. Results in gag
  1. Pharyngeal wall contraction
  2. Velar Contraction
Conditions with abnormal gag reflex
1. Dysphagia following Cerebrovascular Accident
2. Altered Level of Consciousness (coma)

Gagging (C0016927)
Definition (MSH)	Clinical manifestation of the digestive system consisting of contraction of the muscle of the pharynx caused by stimulation of sensory receptors on the soft palate, by psychic stimuli, or systemically by drugs.
Concepts	Finding (T033)
English	Gag reflex, Gagging, Pharyngeal gag reflex, Pharyngeal reflex
Spanish	amordazar, reflejo farÃngeo, reflejo faringeo, reflejo faucal, reflejo nauseoso
Credits	Derived from the NIH UMLS (Unified Medical Language System)

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This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 5/10/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.

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Gag Reflex

Gagging (C0016927)

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