Note: This document contains side effect information about magnesium gluconate. Some dosage forms listed on this page may not apply to the brand name Mag-G.
Applies to magnesium gluconate: oral tablet.
Warning
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using magnesium gluconate (the active ingredient contained in Mag-G) and call your doctor at once if you have:
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confusion, severe drowsiness, feeling like you might pass out;
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severe nausea or vomiting;
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muscle weakness; or
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slow heart rate.
Common side effects may include:
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diarrhea;
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bloating gas; or
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upset stomach.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.
For Healthcare Professionals
Applies to magnesium gluconate: compounding powder, oral liquid, oral tablet.
General
Symptoms of magnesium toxicity include hypotension, nausea, vomiting, flushing, urinary retention, ileus, depression, and lethargy, which may progress to muscle weakness, dyspnea, extreme hypotension, arrhythmia, and cardiac arrest.[Ref]
Cardiovascular
Frequency not reported: Hypotension, extreme hypotension, arrhythmia, cardiac arrest[Ref]
Gastrointestinal
Frequency not reported: Diarrhea, upset stomach, stomach cramps, vomiting, nausea, ileus[Ref]
Nervous system
Frequency not reported: Dizziness[Ref]
Musculoskeletal
Frequency not reported: Muscle weakness[Ref]
Psychiatric
Frequency not reported: Depression[Ref]
Respiratory
Frequency not reported: Dyspnea[Ref]
Other
Frequency not reported: Lethargy[Ref]
Dermatologic
Frequency not reported: Flushing of skin, facial flushing[Ref]
Genitourinary
Frequency not reported: Urinary retention[Ref]
