Antacids

Question 1

MOA

Answer 1

neutralize gastric acidity

Question 2

primary use

Answer 2

treat acid reflux

Question 3

AEs

Answer 3

• effervescent types (i.e., Alka-Seltzer) have high sodium content
• Magnesium products: diarrhea
• Aluminum and calcium: constipation
• Drug-drug interaction: increased pH causes reduced absorption of acidic drugs and increased absorption of basic drugs
• Can alter absorption of electrolytes from GI tract, causing electrolyte imbalance
• Avoid taking within 2 hours of other oral medication

Question 4

drug names to know

Answer 4

calcium carbonate (Tums)