Ex-Lax Milk of Magnesia Oral

In Depth

Generic Name: MAGNESIUM HYDROXIDE - ORAL
Pronounced: (mag-NEE-zee-um hi-DROX-ide)

Ex-Lax Milk of Magnesia Oral Side Effects

Diarrhea may occur. If this effect persists or worsens, tell your doctor or pharmacist promptly.

If your doctor has directed you to use this medication, remember that he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

symptoms of high magnesium levels (e.g., muscle weakness, slow/irregular heartbeat, slow/shallow breathing, mental/mood changes such as confusion)
symptoms of dehydration (e.g., decreased urination, dizziness, extreme thirst, very dry mouth)

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:

rash
itching/swelling (especially of the face/tongue/throat)
severe dizziness
trouble breathing

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Ex-Lax Milk of Magnesia Oral Precautions

Before taking magnesium hydroxide, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

kidney disease
appendicitis or symptoms of appendicitis (e.g., stomach/abdominal pain, nausea/vomiting)
magnesium-restricted diet
sudden change in bowel habits that lasts for longer than 2 weeks

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.