Overview
Magnesium citrate is an osmotic laxative used for relief of occasional constipation. It works by drawing water into the intestines to stimulate bowel movements, typically producing results within 1/2 to 6 hours. This product is available as an oral liquid formulation.
Mechanism of Action
Magnesium citrate acts as an osmotic laxative by increasing water content in the intestinal lumen through osmotic forces, which stimulates peristalsis and promotes bowel evacuation.
Indications
- Relief of occasional constipation (irregularity)
Common Doses
- 10 fl oz (typical adult dose)
- 7 fl oz (children 6-12 years)
- 3 fl oz (children 2-6 years)
Dosage
Shake well before using. Drink a full glass (8 ounces) of liquid with each dose. May be taken as a single daily dose or in divided doses. Adults and children 12+: 6.5-10 fl oz (max 10 fl oz/24h). Children 6-12: 3-7 fl oz (max 7 fl oz/24h). Children 2-6: 2-3 fl oz (max 3 fl oz/24h). Children under 2: consult physician.
Contraindications
- Renal impairment or kidney disease
- Intestinal obstruction or ileus
- Hypersensitivity to magnesium citrate
- Severe abdominal pain, nausea, or vomiting
Side Effects
- Abdominal cramping
- Diarrhea
- Nausea
- Electrolyte imbalances
- Dehydration with excessive use
Interactions
- Oral medications (may reduce absorption if taken within 2 hours)
- Tetracycline antibiotics (reduced absorption)
- Bisphosphonates (reduced absorption)
- Digoxin (potential electrolyte interactions)
Counseling Points
- Take with full glass of water to enhance effectiveness and prevent dehydration
- Use only for occasional constipation; do not use for more than 7 days without medical advice
- Shake bottle well before each use
- Store at room temperature away from moisture and heat
- Seek medical attention if severe abdominal pain, rectal bleeding, or no bowel movement occurs after use