Magnesium Oxide Dosage Guide — Strengths, Titration & Max Dose
Complete dosing reference for Magnesium Oxide: available forms and strengths, typical adult dose, titration schedule, max dose, and dosing in special populations.
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Chain retail
$10/mo
GoodRx typical
~$6/mo
Via Script Unlock
$3/mo
Save up to 75% — ~$84/year for chronic use.
Magnesium Oxide Dosing
Magnesium Oxide dosing depends on your indication, kidney and liver function, age, and other medications you are taking. Your prescriber selects the starting dose and titrates based on clinical response.
Ask your prescriber for the Magnesium Oxide package insert or the FDA-approved prescribing information for full dosing detail.
Magnesium Oxide pricing varies dramatically by pharmacy
The same Magnesium Oxide prescription can cost $3 at one pharmacy and $10 at another in the same zip code. Chain pharmacies typically charge the most. Script Unlock lets verified independent and mail-order pharmacies compete for your prescription — the winning bid is usually 75% below chain retail.
- Free — no membership, no account, no credit card upfront
- Bids in 1–4 hours from verified US pharmacies
- Locked-in price — no PBM renegotiation at checkout
- Delivery or local pickup
Related Magnesium Oxide pages
Medical disclaimer: Dosage information on this page is for reference only and is not a substitute for medical advice. Your prescribing doctor determines the appropriate Magnesium Oxide dose for your condition, kidney and liver function, other medications, and clinical response.