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Pedia-Lax Chewable

Generic name: magnesium hydroxidemag-NEE-see-um-hye-DROCK-side ]
Brand names: Dulcolax Liquid, Milk of Magnesia, Pedia-Lax Chewable, Phillips Milk of Magnesia, Ex-Lax Milk of Magnesia
Drug classes: Antacids, Laxatives

Medically reviewed by on Aug 11, 2023. Written by Cerner Multum.

What is Pedia-Lax Chewable?

Magnesium is a naturally occurring mineral. Pedia-Lax Chewable reduces stomach acid, and increases water in the intestines which may induce bowel movements.

Pedia-Lax Chewable is used as a laxative to relieve occasional constipation.

Pedia-Lax Chewable is also used as an antacid to relieve indigestion, sour stomach, and heartburn.

Pedia-Lax Chewable may also be used for purposes not listed in this medication guide.

Pedia-Lax Chewable side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Pedia-Lax Chewable may cause serious side effects. Stop using Pedia-Lax Chewable and call your doctor at once if you have:

Common side effects of Pedia-Lax Chewable may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


Do not use Pedia-Lax Chewable without a doctor's advice if you have stomach pain, nausea, or vomiting.

Before taking this medicine

Do not use Pedia-Lax Chewable without a doctor's advice if you have stomach pain, nausea, or vomiting.

Ask a doctor or pharmacist if Pedia-Lax Chewable is safe to use if:

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

How should I take Pedia-Lax Chewable?

Use exactly as directed on the label, or as prescribed by your doctor.

Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).

You may need to shake the oral suspension before each use.

You must chew the chewable tablet before you swallow it.

Take this medicine with a full glass (8 ounces) of water.

When taken as a laxative, Pedia-Lax Chewable should produce a bowel movement within 30 minutes to 6 hours.

Call your doctor if the condition you are treating with Pedia-Lax Chewable does not improve, or if it gets worse while using this medicine.

Do not use Pedia-Lax Chewable for longer than 7 days without medical advice.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Since Pedia-Lax Chewable is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include severe diarrhea, muscle weakness, shortness of breath, and little or no urination.

What should I avoid while taking Pedia-Lax Chewable?

Follow your doctor's instructions about any restrictions on food, beverages, or activity.

What other drugs will affect Pedia-Lax Chewable?

Other drugs may affect Pedia-Lax Chewable, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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