Magnesium Citrate for Constipation
Medically reviewed by a licensed pharmacist · Last reviewed 6/14/2026
Dose
200-400mg by mouth once daily or in divided doses. Take with full glass of water. May cause diarrhea or abdominal cramping.
What to watch for
- Renal impairment
Not for children under 6.
Sources
- FDA OTC Monograph
Where to buy
This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.