Wonder Me!
Drug class: Osmotic laxative
Wonder Me's mnemonics: Magnesium hydroxide/Magnesium Citrate the water Magnetic => osmotic!

Caution: Do NOT use for too long in renal insufficiency pts (Mg = electrolyte = renal insufficiency caution!!!!)

MOA: . 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 citrate works by attracting water through the tissues by a process known as osmosis. Once in the intestine, it can attract enough water into the intestine to induce defecation. The additional water stimulates bowel motility. This means it can also be used to treat rectal and colon problems. Magnesium citrate functions best on an empty stomach, and should always be followed with a full (eight ounce or 25 cl) glass of water or juice to help the magnesium citrate absorb properly and help prevent any complications. Magnesium citrate solutions generally produce bowel movement in one half to six hours.
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