Questions and Answers
What must a patient be educated on when taking a laxative?
Which laxative is an example of a bulk forming laxative?
How soon do laxatives typically work to produce soft stool?
What is an example of a stimulant laxative?
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What do stimulant laxatives do to stimulate peristalsis?
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Which of the following drugs may interact with stimulant laxatives?
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Study Notes
Laxatives Overview
- Two types of laxatives that help prevent constipation:
- Fiber/stool softeners (Surfactant laxatives)
- Bulk forming laxatives
Patient Education
- Important to instruct patients to drink plenty of water while taking laxatives to prevent dehydration and enhance effectiveness.
Hospital Administration
- Laxatives are typically administered daily with morning medications to ensure regular bowel movements.
Laxative Onset
- Laxatives usually take effect within 1 to 3 days to produce a bowel movement.
Group 3 Laxatives
- Group 3 laxatives produce soft stools within 1 to 3 days.
- Included in Group 3 laxatives:
- Psyllium fiber
- Docusate sodium
- Lactulose
Examples of Laxatives
- Bulk forming laxative example: Psyllium fiber
- Surfactant laxative example: Docusate sodium
- Stimulant laxative examples: Bisacodyl, Senna
- Osmotic laxative examples: Polyethylene glycol, Magnesium hydroxide
Mechanism of Stimulant Laxatives
- Stimulant laxatives work by causing contractions of smooth muscles in the bowels, which stimulate peristalsis and promote bowel movements.
Gastrointestinal Side Effects
- Common gastrointestinal side effects associated with laxative use include:
- Bloating
- Gas
- Nausea
- Stomach cramping
Drug Interactions
- Potential drug interactions with stimulant laxatives may involve:
- Antacids
- H2 blockers
- Proton Pump Inhibitors (PPIs)
- Dairy products
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Description
This quiz covers the different types of laxatives, their mechanisms, and important patient education regarding their use. Learn about fiber/stool softeners, bulk forming laxatives, and their effects on bowel movements. Stay informed on the administration of laxatives and recommendations for proper hydration.
