What effects can there be from taking too much magnesium?

Question

i take 2 -250mg. magnesium tablets each day. i also take potassium 99mg. should i take calcium too?

Answer 1

Impressive what you can do with magnesium: ''Feel flushed and drowsy, perspire heavily, and have diarrhea. Muscle weakness and hallucinations are common. The patient's heart beat slows dramatically and blood pressure plummets. Extreme toxicity, which can lead to coma and cardiac arrest''