Glossopharyngeal neuralgia is a condition that causes severe pain in your throat, tongue, tonsils, and ears. It occurs because the glossopharyngeal nerve, which connects your tonsils, tongue, and throat to the brain, is not working properly. The pain caused by glossopharyngeal neuralgia can be triggered by something as simple as coughing or swallowing and lasts anywhere from a couple seconds to a couple minutes.
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Honor Society of Nursing (STTI) answered
Donna Hill Howes, RN, Administrator, answered
Glossopharyngeal neuralgia (GN) is a rare pain syndrome that affects the glossopharyngeal nerve (the ninth cranial nerve that lies deep within the neck) and causes sharp, stabbing pulses of pain in the back of the throat and the tongue, the tonsils, and the middle ear. The excruciating pain of GN can last for a few seconds to a few minutes and may return multiple times in a day or once every few weeks. Many GN patients relate the attacks of pain to specific trigger factors such as swallowing, drinking cold liquids, sneezing, coughing, talking, clearing the throat, and touching the gums or inside the mouth. GN can be caused by compression of the glossopharyngeal nerve, but in some cases, no cause is evident. Like trigeminal neuralgia, it is associated with multiple sclerosis. GN primarily affects older people.
This answer is based on source information from National Institute of Neurological Disorders and Stroke.