Laxative Drugs Flashcards Preview

Pharmacology > Laxative Drugs > Flashcards

Flashcards in Laxative Drugs Deck (13):
1

Example of bulk forming laxative

Vegetable fibre

2

Mechanism of action of bulk forming laxatives

Distend intestines activating intestinal reflexes

3

ADRs of bulk forming laxatives

Flatulence, Bowel obstruction, Dehydration

4

Examples of faecal softeners

Arachis oil, Glycerol

5

Mechanism of action of faecal softeners

Lubricate and soften stool

6

ADRs of faecal softeners

Dehydration

7

Examples of osmotically active laxatives

Mg and Na salts, Lactulose, Macrogels

8

Mechanism of action of Mg and Na salts

Osmotically active, draw water into the colon

9

Mechanism of action of Lactulose

Forms acetic acid, osmotically active drawing water into the colon

10

ADRs of osmotically active diuretics

Dehydration, Electrolyte imbalances

11

Examples of stimulant laxatives

Senokot, Dulcolax

12

Mechanism of action of stimulant laxatives

Excite enteric nervous system, Fluid and electrolytes remain in the colon

13

ADRs of stimulant laxatives

Hypokalaemia, Colonic atonia, Dehydration