Antacids

Question 1

sources of antacids?

Answer 1

sodium bicarbonate, aluminum hydroxide, calcium carbonate, magnesium hydroxide, magnesium trisilicate

Question 2

describe sodium bicarbonate

Answer 2

• 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

Question 3

describe aluminim hydroxide gel

Answer 3

• a white viscous suspension
• may cause vomitting, nausea and constipation

Question 4

describe dried aluminum hydroxide gel

Answer 4

• white, tasteless powder
• insoluble in water and alcohol, soluble in acids
• available as chewable tabs

Question 5

describe calcium carbonate

Answer 5

• 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

Question 6

describe magnesium hydroxide

Answer 6

• 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

Question 7

describe magnesium trisilicate.

Answer 7

• stable, white, odorless powder
• insoluble in water and alcohol
• decomposed by acids
• admin w Ca or Al containing anacids

Question 8

what are the other derivatives of magnesium trisilicate?

Answer 8

magnesium:
carbonate, phosphate, citrate, oxide