19. Stimulant Laxatives
⢠Stimulate peristalsis ⢠Phenylolpthalein
⢠Increases water and â (Ex-LaxÂŽ, Feen-a-
electrolytes secretion MintÂŽ, CorrectolÂŽ)
into intestinal lumen ⢠bisacodyl (DucolaxŽ)
⢠Decreases water and
electrolyte
reabsorption
20. Osmotic Laxatives
⢠Poorly absorbed salts ⢠Magnesium hydroxid
remain in fecal matter (Milk of MagnesiaÂŽ)
⢠Pull water into lumen
21. Antidiarrheal
⢠Diarrhea is usually a compensatory
actionâŚ
â Treatment aimed at cause, no symptom
⢠Opioid receptors in GI tract decrease
motility
â Increase time for water reabsorbtion