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Dysgeusia, also known as parageusia, is a distortion of the sense of taste. Dysgeusia is also often associated with ageusia, which is the complete lack of taste, and hypogeusia, which is a decrease in taste sensitivity. [1] An alteration in taste or smell may be a secondary process in various disease states, or it may be the primary symptom.
Ageusia (from negative prefix a-and Ancient Greek γεῦσις geûsis 'taste') is the loss of taste functions of the tongue, particularly the inability to detect sweetness, sourness, bitterness, saltiness, and umami (meaning 'savory taste'). It is sometimes confused with anosmia – a loss of the sense of smell.
Hypogeusia can be defined as the reduced ability to taste things. [1] Due to a lack of stratification, the prevalence of hypogeusia, as well as hyposmia, may not be accurately known. [2] Additionally, reviews do not always make distinctions between ageusia and hypogeusia, often classifying them as the same in certain circumstances and studies. [3]
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Hypoesthesia or numbness is a common side effect of various medical conditions that manifests as a reduced sense of touch or sensation, or a partial loss of sensitivity to sensory stimuli. In everyday speech this is generally referred to as numbness.
Some people lose the sense of smell and taste after COVID-19, making eating and drinking an unpleasant chore. Try some of these choices to make mealtime more pleasant.
Dysesthesia may be caused by a thalamic stroke involving the ventral postero-lateral (VPL) nucleus. It's typically seen in Dejerine-Roussy syndrome with hemi-sensory loss and severe dysesthesia of the affected area. Fibromyalgia may cause dysesthesia in all areas of the body, but mostly the extremities. [medical citation needed]