Antacids Flashcards
1
Q
sources of antacids?
A
sodium bicarbonate, aluminum hydroxide, calcium carbonate, magnesium hydroxide, magnesium trisilicate
2
Q
describe sodium bicarbonate
A
- soluble in water
- reacts w acid evolving CO2 which causes belching
- reacts w citric acid, evolving CO2 resulting in a sparkling flavor
- used as antacid orally for acid indigestion or heartburn
- treat chronic forms of acidosis
- treat overdose of aspirin
3
Q
describe aluminim hydroxide gel
A
- a white viscous suspension
- may cause vomitting, nausea and constipation
4
Q
describe dried aluminum hydroxide gel
A
- white, tasteless powder
- insoluble in water and alcohol, soluble in acids
- available as chewable tabs
5
Q
describe calcium carbonate
A
- stable, white, odorless crystalline powder
- insoluble in water and alcohol
- dissolves w effervescence in dilute HCL
- can cause constipation so it is combined w Mg antacids
6
Q
describe magnesium hydroxide
A
- bulky white powder
- insoluble in water and alcohol but dissolves in acids
- used as antacid w Ca and Al
- magnesia tabs, milk of magnesia, magnesia and alumina tabs/oral suspension
7
Q
describe magnesium trisilicate.
A
- stable, white, odorless powder
- insoluble in water and alcohol
- decomposed by acids
- admin w Ca or Al containing anacids
8
Q
what are the other derivatives of magnesium trisilicate?
A
magnesium:
carbonate, phosphate, citrate, oxide
