Summary of Laxatives and cathartics
Lactulose is a non-absorbable sugar used in the treatment of constipation and hepatic encephalopathy. It is used by mouth for constipation and either by mouth or in the rectum for hepatic encephalopathy. It generally begins working after eight to twelve hours but may take up to two days to improve constipation.
Suspensions of magnesium hydroxide in water are used as an antacid to neutralize stomach acid, and as a laxative. The diarrhea caused by magnesium hydroxide carries away much of the body's supply of potassium, and failure to take extra potassium may lead to muscle cramps. Magnesium hydroxide is also used as an antiperspirant underarm deodorant. Magnesium hydroxide is useful against canker sores (aphthous ulcer) when used topically.
Polyethylene glycol (PEG) is a polyether compound with many applications from industrial manufacturing to medicine. PEG is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight. The structure of PEG is commonly expressed as H−(O−CH2−CH2)n−OH.
Flashcards on Laxatives and cathartics
Laxatives and cathartics
is an osmotic laxative that in addition to increasing stool liquidity, acidifies the colonic contents following the breakdown of the compound. This then inhibits ammonia diffusion into the blood.