laxatives Flashcards
Loperamide
Antidiarrhoeal,
- diarrhoea (not in children)
Stimulates opioid receptors iin intestine to inhibit peristalsis and reduce fluid secretion
- abdo cramping, drowsy, constipation
Psyllium
bulk forming laxative
- constipation
causes absorption of water into the bowel , causing swelling and increase in bulk of stool to stimulate normal peristalsis
- abdo cramp
Lactulose, macrogels, saline purgatives, glycerin
osmotic laxative, faecal softener
- constipation
reduce absorption of water to soften stool and increase its bulk, stimulating peristalsis
- abdo pain , nausea
senna , bisacodyl
laxative
- constipation
stimulate peristalsis
- rash discolour urine, abdo cramps
docusate sodium
laxative
- constipation
lubricate and soften stool
- bitter taste, throat irritation