Medications that contain magnesium, including antacids, laxatives, and magnesium sulfate ... you may notice additional symptoms, including: Severe magnesium toxicity can cause trouble breathing ...

Medically reviewed by Alex Yampolsky, PharmD Magnesium supplements can cause gastrointestinal side effects like nausea, ...

Magnesium sulfate is the main drug doctors use to treat ... With this treatment, though, doctors need to be careful to avoid magnesium toxicity and monitor for any signs of this happening.