The complete loss of smell is called Anosmia
Anosmia Hundreds of thousands of Americans visit the doctor each year due to taste and smell issues. Anosmia is, fortunately, a transitory annoyance produced by a severely congested nose induced by a cold for the majority of individuals. A person's sense of smell returns once the cold has passed. It's also possible that it's a sign of COVID-19. However, certain people, particularly the elderly, may continue to lose their sense of smell. Anosmia can sometimes be a symptom of a more serious medical problem. A doctor should be seen if you have persistent odour concerns. Certain systems control a person's sense of smell. To begin, a chemical produced from a material (such as a flower's aroma) must excite particular nerve cells situated high up in the nose called olfactory cells. The information from these nerve cells is subsequently sent to the brain, where the precise smell is determined. Loss of smell can be caused by anything that interferes with these proces...