laxatives
Table of Contents
laxatives
see also:
Introduction
- see under Mx of constipation
oral stool softeners
- docusate
- 240mg (2 x 120mg tablets) daily
- takes 1-3 days to work
- can be used in pregnancy
oral bulking agents
- useful if there is a dietary fibre deficiency
- onset is usually by 24 hours, with peak action at 2-3 days following dosing
- Ispaghula
- 1 sachet or teaspoon in water
- Psyllium
- as directed on packet, 1- 3 times a day
- can be used in pregnancy
- Sterculia
- 1–2 teaspoons 1–2/day
oral osmotic agents
- lactulose (Duphalac)
- 15-30ml once or twice a day
- takes 1-2 days to work
- can be used in pregnancy
- other agents
oral stimulant laxatives
- avoid long term use as they may induce melanosis coli, tolerance or cathartic colon and there is little evidence for their efficacy.
- not proven to be safe in pregnancy
- Bisacodyl
- 1–2 x 5 mg tablets daily
- works in 6-12hrs
- can be used in pregnancy
- sennosides
- works in 6-12hrs
laxatives.txt · Last modified: 2019/06/27 03:28 by 127.0.0.1