What Causes a Sudden Loss of Taste and Smell Without Congestion?
1. Introduction A sudden loss of taste and smell without congestion is predominantly caused by viral damage to the olfactory nerve receptors, a hallmark of specific respiratory viruses like SARS-CoV-2. It occurs when a pathogen attacks the supporting cells in the nasal epithelium, disrupting the delicate sensory transmission to the brain without causing structural blockage … Read more