Laxatives Flashcards
1
Q
Name the 3 bulk forming laxatives
A
- Bran
- Methylcellulose
- Ispaghula husk
2
Q
Name the 1 osmotic laxative
A
Macrogol
3
Q
Name the 4 stimulant laxatives
A
- Senna
- Bisacodyl
- Danthron
- Sodium picosulphate
4
Q
Name the 2 faecal softeners
A
- Sodium docusate
2. Liquid paraffin
5
Q
How do bulk forming laxatives work
A
- Increase volume of non-absorbable material in gut
- Colon distention
- Stimulates peristalsis
6
Q
How do osmotic laxatives work
A
- Increase water content in bowel via osmosis
- Colon distention
- Stimulates peristalsis
7
Q
How do stimulant laxatives work
A
- Increase water and electrolyte secretion by mucosa
2. Increase peristalsis
8
Q
Which laxative would you GIVE for opioid induced constipation
A
Stimulant
only give for short periods as may damage nerve plexus with long term use
9
Q
Which laxative would you AVOID in opioid induced constipation
A
Bulk forming laxative
10
Q
Which laxative is the most poorly tolerated
A
Osmotic laxative
11
Q
Which laxative would you GIVE for constipation related to poor diet
A
Bulk forming laxative
