<prompt> Odynophagia isPain during swallowingDifficulty in swallowingBad odour from mouthPsychiatric disease  <response>: Dysphagia is difficulty in swallowing. The term odynophagia is used when swallowing causes pain. The latter is more marked in ulcerative and inflammatory lesions of food passages - oral cavity, oropharynx and oesophagus. Ref: Textbook of diseases of ENT, PL Dhingra, 7th edition, pg no. 393 