GASTRO Flashcards
Magnesium
Laxatives
Aluminium
Constipation
Bismuth
Neurotoxic - chelates
Calcium
Milk alkali syndrome, rebound acid secretion
Child constipation - avoid
Lifestyle and dietary advice alone - risk of complications
Pregnancy constipation - avoid
Senna near term
Opioid induced constipation - avoid
Bulk forming laxatives
Adequate fluid intake
Bulk forming and osmotic laxatives
Short duration constipation
1st line - lifestyle and diet
2nd line - bulk forming
Opioid constipation
1st line - osmotic with stimulant/docusate with stimulant
2nd line - Nalexogol, Methylnaltrexone adjunct
Faecal impaction
1st line - macrogols
2nd line - stimulant
3rd line - sodium enema which may require repeating
Pregnancy/Breastfeeding constipation
1st line - lifestyle/diet changes
2nd line - bulk forming
Other - glycerol, senna, bisacodyl, docusate
Children constipation
1st line - laxative and lifestyle
Bulk forming examples
Ispaghula husk - Fybogel, PO medicine
Methycellulose
Sterculia
Bulk forming onset
2 to 3 days