Some older oral diabetes drugs (sulfonylureas) may work more strongly when magnesium levels are higher, raising the risk of low blood sugar.
Regular blood sugar checks and medical supervision are especially important if you’re considering magnesium supplementation.
Heart Rhythm Medication (Digoxin)
Certain conditions and medications, including digoxin, can lead to lower magnesium levels. Conversely, sudden large doses of magnesium might affect heart rhythm in sensitive individuals.
Regular magnesium level checks are often advised for people on digoxin.
Diuretics (“Water Pills”)
Loop and thiazide diuretics can deplete magnesium over time, while potassium-sparing diuretics may cause magnesium retention. These magnesium interactions vary by type.
Your doctor may monitor levels or recommend supplementation accordingly.
Proton Pump Inhibitors (PPIs)
Long-term use of PPIs (like omeprazole) for acid reflux can reduce magnesium absorption, sometimes leading to low levels.
If you take PPIs daily, periodic magnesium checks may be worthwhile.
Thyroid Hormone Replacement (Levothyroxine)
see the continuation on the next page
