osmotic laxatives

Question 1

Indications for osmotic laxatives?

Answer 1

constipation, hepatic encephalopathy

Question 2

Contraindications for osmotic laxatives?

Answer 2

intestinal obstruction, galactosaemia

Question 3

First and second line treatment

Answer 3

first line therapy for constipation in children, second line therapy for constipation in adults

Question 4

What is the mechanism of action of osmotic laxatives?

Answer 4

increases the amount of water in the large bowel by drawing fluid from the body into the bowel via osmosis, this softens the stool and produces distension which increases the number of bowel movements

Question 5

What are the side effects of osmotic laxatives?

Answer 5

flatulence, bloating, nausea, vomiting, diarrhoea, cramps, abdominal discomfort

Question 6

Monitoring requirements for osmotic laxatives

Answer 6

none

Question 7

Treatment cessation for osmotic laxatives

Answer 7

none

Question 8

Patient and carer advice for osmotic laxatives

Answer 8

drink sufficient amount of fluids, be careful in those who are lactose intolerant