What are the causes of altered taste in adults, particularly …

Altered taste in adults is most commonly caused by medications (particularly through drug-drug interactions), viral upper respiratory infections including COVID-19, and chronic rhinosinusitis, with the critical understanding that most perceived “taste loss” actually reflects impaired retronasal olfaction rather than true gustatory dysfunction. 1, 2

https://www.droracle.ai/articles/777935/what-are-the-causes-of-altered-taste-in-adults