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Drug-induced dysphagia

B Stoschus1, H D Allescher

  • 1Department of Internal Medicine II, Technical University of Munich, Germany.

Dysphagia
|January 1, 1993
PubMed
Summary

Dysphagia, difficulty swallowing, can be caused by medications affecting muscle function or direct esophageal injury. Odynophagia is painful swallowing without transport issues.

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Area of Science:

  • Gastroenterology
  • Pharmacology
  • Clinical Medicine

Background:

  • Dysphagia involves impaired bolus transport, potentially causing chest pain (odynophagia).
  • Drug-induced dysphagia arises from direct drug side effects or therapeutic complications.
  • Medication-induced esophageal injury (MIEI) is a key cause, especially in elderly patients.

Purpose of the Study:

  • To differentiate dysphagia and odynophagia.
  • To explore mechanisms of drug-induced dysphagia.
  • To identify patient populations at risk for MIEI.

Main Methods:

  • Literature review of drug-induced swallowing disorders.
  • Analysis of pharmacological mechanisms affecting esophageal function.
  • Clinical case study review of MIEI.

Main Results:

  • Drugs can impair smooth muscle function or mucosal sensitivity, leading to dysphagia.
  • Therapeutic complications include esophagitis (viral, fungal) and immune reactions.
  • MIEI results from prolonged drug contact with esophageal mucosa, common in the elderly.

Conclusions:

  • Understanding drug-induced dysphagia mechanisms is crucial for patient care.
  • Identifying risk factors for MIEI can prevent esophageal injury.
  • Distinguishing dysphagia from odynophagia aids diagnosis and treatment.

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