While coughing, choking, and obvious swallowing difficulties are well-recognized signs of dysphagia, several less apparent symptoms are frequently overlooked. These include needing extra time to chew and swallow food, which may not seem concerning at first. A persistent bad odor from the mouth due to trapped food particles often gets mistaken for poor oral hygiene rather than a swallowing problem. Occasional drooling or minor spills while eating might be dismissed as normal aging. The sensation of food sticking in the throat may occur without complete obstruction, leading patients to drink more fluids to compensate. Moreover, gradual, unexplained weight loss and dehydration sometimes develop so slowly that they aren’t immediately connected to swallowing difficulties.
Source:
https://www.cuhkmc.hk/health-programmes/averting-degenerative-and-chronic-diseases/swallowing-well