Drug Index

Loperamide

 
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Mechanism :

It is an opioid antimotility agent that suppresses gut movement and reduces gastrointestinal secretions. Loperamide acts by slowing intestinal motility and by affecting water and electrolyte movement through the bowel. Loperamide binds to the opiate receptor in the gut wall. Consequently, it inhibits the release of acetylcholine and prostaglandins, thereby reducing peristalsis, and increasing intestinal transit time. Loperamide increases the tone of the anal sphincter, thereby reducing incontinence and urgency.


Indication :

• Chronic diarrhea

• Short bowel syndrome


Contraindications :

Contraindicated in patients with a known hypersensitivity to loperamide; in patients with abdominal pain in the absence of diarrhea; in infants below 24 months of age; as the primary therapy- in patients with acute dysentery, which is characterized by blood in stools and high fever, in patients with acute ulcerative colitis, in patients with bacterial enterocolitis caused by invasive organisms including Salmonella, Shigella, and Campylobacter and in patients with pseudomembranous colitis associated with the use of broad-spectrum antibiotics.


Dosing :

Chronic diarrhea, Short bowel syndrome:

80-240 microgram/kg/day orally in two divided doses.


Adverse Effect :

Paralytic ileus, abdominal cramps and bloating of GIT, urticaria, skin reactions, dizziness, dry mouth, vomiting, nausea, tiredness, drowsiness, constipation.


Interaction :

Contraindicated:
Potassium acid phosphate, Potassium chloride, Potassium citrate, Potassium phosphate.
Avoid/Use Alternative:
Potassium iodide, Pramlintide.


07/13/2019 00:14:29 Loperamide
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