Magnesium Oxide Magnesium Oxide Morphine Sulphate
ModerateThe leaflet for magnesium oxide says to talk to a doctor before taking it with certain other medicines, but it does not say anything about morphine sulphate. The text breaks off before any interaction between the two is described.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.