odynophagy it is pain during swallowing of food as it is passing through the esophagus to reach the stomach.
The word "odinophagy" comes from the Greek terms Odyn = pain + Phage = Action of eating.
Odynophagia is caused by ulcers or erosions in the esophagus caused by inflammatory processes of infectious origin (herpes, candidiasis, HIV) or chemical (drugs, acids, caustics).
Severe pain and/or burning sensation in the chest are the symptoms characteristic of odynophagia.
Odynophagia x Dysphagia
Dysphagia is a swallowing disorder, characterized by difficulty the passage of food from the mouth to the stomach.
The word dysphagia has a Greek origin, where Dys = difficulty and Phage = eat.
Dysphagia can be caused by muscular or neurological diseases that make it difficult to coordinate the esophageal muscles, ulcers and tumors that cause obstruction of the esophageal canal or diseases inflammatory.
Dysphagia must be distinguished from the "throat lump" feeling often associated with anxiety, depression, and stress.