Main causes of dysgeusia [11]
| Disease | Local: tooth decay, periodontal disease, candidosis, erythema migrans, fissure tongue, glossitis, dermatoses, denture defects |
| Systemic diseases: stroke, Alzheimer's disease, Parkinson's disease, depression, diabetes mellitus types 1 and type 2, hypothyroidism/hyperthyroidism, chronic kidney disease, acute and chronic liver disease, cirrhosis, Sjögren's syndrome, irritable bowel syndrome, gastroesophageal reflux disease, hiatus hernia, inflammatory bowel diseases, AIDS | |
| Physiological | atrophy of the oral epithelium, increased degrees of atrophy and fibrosis of the salivary glands, reduction of taste buds |
| Nutritional deficiencies | Deficiencies of: iron, folic acid, vitamin B12, zinc |
| Iatrogenic | medicines, chemotherapy, radiotherapy |
| Allergies | food and additives allergy |