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Haley's M-O Side Effects

Generic Name: magnesium hydroxide / mineral oil

Note: This page contains information about the side effects of magnesium hydroxide / mineral oil. Some of the dosage forms included on this document may not apply to the brand name Haley's M-O.

Applies to magnesium hydroxide / mineral oil: suspension

Check with your doctor if any of these most COMMON side effects persist or become bothersome:


Seek medical attention right away if any of these SEVERE side effects occur while taking magnesium hydroxide / mineral oil:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); loss of appetite; muscle weakness; nausea; slow reflexes; vomiting.

Not all side effects for Haley's M-O may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

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