Drug Reference
Magnesium Oxide
Magnesium compounds
OTC
Fact box
- Therapeutic class
- Magnesium compounds
- Habit forming
- No
- Availability
- Over-the-counter (OTC)
Brand names
BeelithClenpiqFolgard OSLactocalMag-Ox 400MagmilaxPhillips' Cramp-freeSomnicinUro-MagVitafol-One
Available as
400 MG · Oral Tablet1.5 MG · Oral Tablet250 MG · Oral Tablet45 MG · Extended Release Oral Tablet100 MG · Oral Tablet30 MG · Oral Capsule120 MG · Oral Tablet50 MG · Oral Capsule600 MG · Oral Tablet140 MG · Oral Capsule75 MG/ML · Oral Solution17900 MG · Oral Tablet400 MG · Oral Capsule68.6 MG/ML · Oral Solution440 MG · Oral Tablet144 MG · Oral Capsule420 MG · Oral Tablet500 MG · Oral Tablet200 MG · Oral Tablet500 MG · Oral Capsule625 MG · Oral Tablet80 MG · Oral Tablet276000 MG · Oral Tablet
FDA label sections are from openFDA and may not reflect the most recent labeling — confirm against the current DailyMed label.
Uses
Use relieves: ■ acid indigestion ■ upset stomach
How to use / dosing
Directions take one or two antacid tablets daily. Do not exceed two tablets unless directed by a physician.
Safety advice
Conservative summary derived from FDA labeling — defaults to “consult your doctor” unless the label is explicit. Not a substitute for your clinician’s advice.
PregnancyConsult your doctor
…drug (antacids may interact with certain prescription drugs) you are pregnant or breast feeding.…
BreastfeedingNo information
No specific information in the FDA label. Check LactMed →
AlcoholNo information
No specific information in the FDA label.
DrivingNo information
No specific information in the FDA label.
KidneyCaution
…Warnings Ask a doctor before use if you have kidney disease you are taking a prescription drug (antacids may interact with certain prescription drugs) you are pregnant or breast feeding.…
LiverNo information
No specific information in the FDA label.
Warnings & precautions
Warnings Ask a doctor before use if you have kidney disease you are taking a prescription drug (antacids may interact with certain prescription drugs) you are pregnant or breast feeding. Do not take more than 2 tablets in a 24 hour period. May have a laxative effect. Keep out of reach of children.
Current FDA labels (DailyMed)
- MAGNESIUM OXIDE TABLET [WESTMINSTER PHARMACEUTICALS, LLC]
- TAGRID SKIN REPAIR CREAM (ALLANTOIN) CREAM [TAGRID LLC]
- RABEPRAZOLE SODIUM TABLET, DELAYED RELEASE [ST. MARY'S MEDICAL PARK PHARMACY]
- OMEPRAZOLE CAPSULE, DELAYED RELEASE [ST. MARY'S MEDICAL PARK PHARMACY]
- EXTENDED PHENYTOIN SODIUM (PHENYTOIN SODIUM) CAPSULE [REMEDYREPACK INC.]
Authoritative sources
Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.