PEBC: What You Need to Know: Antacids

PEBC What You Need to Know
Written By Alan Wong

Examples: calcium carbonate, magnesium hydroxide, aluminum hydroxide

Dosing: dosed frequently due to short duration of effect in heartburn

Adverse Effects:

-constipation (calcium, aluminum)

-diarrhea (magnesium)

-bloating and gas (calcium carbonate)

-avoid magnesium and aluminum in renal dysfunction (due to accumulation effects)

-careful not to use too much calcium - may lead to hypercalcemia

Interactions:

-space hours apart from chelators such as levothyroxine, fluoroquinolones, tetracyclines

-may affect drugs that are dependent on low pH for absorption (ketoconazole)

-phenytoin -may affect absorption, so space 2 to 4 hours apart from antacids

Alan Wong
Next

PEBC: What You Need to Know: Z-Drug Hypnotics