Description
Dexlansoprazole is a next-generation proton pump inhibitor (PPI) designed to reduce stomach acid more effectively and for a longer duration than conventional PPIs like omeprazole or pantoprazole. It works by blocking the action of the gastric proton pump (H⁺/K⁺-ATPase), preventing acid secretion at its source. This helps relieve symptoms like heartburn, acidity, chest burning, and ulcer-related discomfort.
Primary Uses
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Gastroesophageal Reflux Disease (GERD).
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Peptic or Duodenal Ulcers.
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Heartburn, indigestion, and acid regurgitation.
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Ulcers caused by NSAIDs or H. pylori (when combined with antibiotics).
Indications
Doctors commonly recommend Dexlansoprazole for:
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Persistent acidity not relieved by regular antacids.
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Night-time heartburn or chronic acid reflux.
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Healing and maintenance of erosive esophagitis.
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Prevention of ulcer recurrence.
How It Works
Dexlansoprazole inhibits the final step of acid production inside the stomach by binding to gastric proton pumps. This suppresses both fasting and meal-induced acid secretion, providing 24-hour relief with once-daily use.
Side Effects
Common:
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Headache.
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Diarrhea or constipation.
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Nausea.
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Dry mouth.
Less Common:
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Upper respiratory infections.
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Fatigue.
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Abdominal discomfort.
Seek medical attention if you notice persistent stomach pain, blood in stool, or severe dizziness.
Warnings
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Long-term use may reduce vitamin B12 or magnesium levels.
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Use cautiously in osteoporosis patients due to rare fracture risk.
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Avoid prolonged use without medical supervision.
Contraindications
Do not use in individuals with:
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Known allergy to Dexlansoprazole or other PPIs.
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Severe liver impairment.
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Concurrent methotrexate (high dose) or nelfinavir therapy.
Precautions
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Inform your doctor if you have liver disease, bone weakness, or autoimmune disorders.
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Long-term users may require periodic lab monitoring (Vitamin B12, bone health, kidney function).
Drug Interactions
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Warfarin, Clopidogrel, Methotrexate – may alter their effects.
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Antifungal agents & antibiotics – absorption may be affected.
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Iron or calcium supplements – reduced absorption due to higher stomach. pH.
Food Interactions
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Can be taken with or without food, although better absorbed on an empty stomach.
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Avoid taking with antacids within 30 minutes, as they may reduce effectiveness.
Storage
Store in a cool, dry place, away from heat and moisture. Keep tightly closed and out of children’s reach.
Doctor’s Review
Dr. Ayesha Siddiqui (Gastroenterologist):
“Dexlansoprazole is excellent for patients with persistent acid reflux, especially those who experience night-time burning or breakthrough symptoms despite standard PPIs. It provides longer coverage due to its dual delayed-release mechanism. However, it should be used responsibly and monitored during long-term use.”
Disclaimer
This information is for educational purposes only and not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider before starting or stopping any medication.

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