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Related Concept Videos

Drugs for Peptic Ulcer Disease: Sucralfate as Mucosal Protective Agents01:24

Drugs for Peptic Ulcer Disease: Sucralfate as Mucosal Protective Agents

In the intricate landscape of the gastric lumen, excessive acid secretion disrupts the natural defense mechanisms, weakening the mucus-bicarbonate barrier. This vulnerability allows pepsin to infiltrate epithelial cells, digesting mucosal proteins and triggering erosion, leading to ulcer formation.
In this scenario, mucosal protective agents like sucralfate play an essential role. Sucralfate, a complex of sulfated sucrose and aluminum hydroxide, demonstrates its usefulness in acidic conditions,...
Acid Suppressive Drugs for Peptic Ulcer Disease: Proton Pump Inhibitors01:13

Acid Suppressive Drugs for Peptic Ulcer Disease: Proton Pump Inhibitors

Peptic ulcers, often induced by H. pylori infections or NSAID usage, arise from disruptions in the delicate balance of gastric acid production. Peptic ulcers stem from heightened gastric acid levels due to H. pylori infections or NSAID use. The protective mucus layer diminishes in the presence of these factors, allowing gastric acid to erode the stomach lining and form ulcers.
Gastric acid, a potent cocktail of hydrogen and chloride ions, is produced in specialized parietal cells within the...
Acid Suppressive Drugs for Peptic Ulcer Disease: Antacids01:31

Acid Suppressive Drugs for Peptic Ulcer Disease: Antacids

In the complex environment of the gastric lumen, excessive acid secretion can lead to the formation or worsening of ulcers within the delicate mucosal layer. Antacids, such as sodium bicarbonate and calcium carbonate, provide relief by neutralizing this acid, transforming it into harmless salt and water. This neutralization process raises the gastric pH from a highly acidic level of 1 to a more basic 3-4, reducing the acidity within the stomach.
However, this neutralization reaction between...
Acid Suppressive Drugs for Peptic Ulcer Disease: Histamine H2-Receptor Antagonists01:28

Acid Suppressive Drugs for Peptic Ulcer Disease: Histamine H2-Receptor Antagonists

Histamine H2 receptors, which are intricately located on the basolateral membrane of parietal cells, play a crucial role in modulating gastric acid secretion. When released from enterochromaffin-like cells, histamine engages H2 receptors, initiating the cyclic AMP (cAMP) pathway. In this pathway, adenylyl cyclase converts ATP into cAMP, elevating intracellular cAMP levels. The activation of protein kinase A follows, stimulating the proton pump. This stimulation prompts the secretion of hydrogen...
Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists01:23

Drugs Affecting GI Tract Motility: Serotonin Receptor Agonists

Serotonin, a crucial neurotransmitter synthesized by enterochromaffin cells, plays a cardinal role in regulating gastrointestinal (GI) motility. With over 90% of the body's total serotonin in the GI tract, its influence on digestive processes is profound. Serotonin is swiftly released upon various stimuli, such as food boluses or certain drugs, triggering intrinsic sensory neurons in the myenteric plexus and extrinsic vagal and spinal sensory neurons. This leads to the activation of the...

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Related Experiment Video

Updated: May 21, 2026

Three-Dimensional Cell Culture Models to Investigate the Epithelial Barrier in Eosinophilic Esophagitis
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Published on: May 10, 2024

Fluoxetine-induced pill oesophagitis.

Abdul Majid Wani1, Abdul Gaffar Shiekh, Waleed M Hussain

  • 1Department of Medicine, Bahrain Specialist Hospital, Manama, Bahrain. dr_wani_majid@yahoo.co.in

BMJ Case Reports
|June 14, 2012
PubMed
Summary

Pill-induced oesophagitis, a common esophageal condition, can be caused by various medications. This case highlights fluoxetine as a potential culprit in young adults without prior esophageal issues.

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Area of Science:

  • Gastroenterology
  • Pharmacology
  • Oesophagology

Background:

  • Pill-induced oesophagitis is a recognized adverse effect of numerous medications.
  • Commonly implicated drugs include antibiotics, cardiac medications, NSAIDs, and alendronate.
  • The condition affects individuals across a wide age range (3-98 years) with a female predominance (1.5:1 ratio).

Observation:

  • A case of oesophagitis was observed in a young adult patient.
  • The patient was taking fluoxetine, a selective serotonin reuptake inhibitor (SSRI).
  • No pre-existing oesophageal abnormalities were identified in the patient.

Findings:

  • Fluoxetine was identified as the causative agent for pill-induced oesophagitis in this young adult.
  • This represents a less commonly reported cause of drug-induced oesophageal injury.
  • The absence of underlying pathology underscores the direct role of the medication.

Implications:

  • Highlights the importance of considering fluoxetine in the differential diagnosis of pill-induced oesophagitis.
  • Suggests that SSRIs, beyond their psychiatric indications, may have gastrointestinal adverse effects.
  • Emphasizes the need for careful medication review in patients presenting with oesophageal symptoms.