Classes
DEA Class; OTC
Common Brand Names; Milk of Magnesia
- Milk of Magnesia
Description
Magnesium hydroxide is an oral saline laxative; also known as milk of magnesia
Used most commonly for occasional constipation in adult and pediatric patients 2 years and older
Can be used as an antacid although it is usually combined with an aluminum- or calcium-containing antacid for this use
Indications
Indicated for the occasional treatment of constipation.
Contraindications
Renal failure
Existing electrolyte imbalance
Appendicitis symptoms or acute surgical abdomen
Myocardial damage or heart block
Fecal impaction or rectal fissures
Intestinal obstruction or perforation
Undiagnosed abdominal pain
Adverse Effects
- Abdominal cramping
- Diarrhea
- Electrolyte imbalance
- Hypotension
- Muscle weakness
- Respiratory depression
Warnings
Use with caution in renal insufficiency
Pregnancy and Lactation
Pregnancy category: A
Lactation: Use in nursing mothers appears to be safe
Maximum Dosage
Consult package label; maximum daily dosage is age and product specific. Do not exceed recommended daily dosage in any 24 hour period.
How supplied
Magnesium hydroxide
chewable tablet
311mg
400mg
suspension
7.75%
400mg/5mL
800mg/5mL
1200mg/15mL
2400mg/10mL