Generic name: magnesium hydroxide [ mag-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 Drugs.com on Aug 11, 2023. Written by Cerner Multum.

What is Dulcolax Liquid?

Magnesium is a naturally occurring mineral. Dulcolax Liquid reduces stomach acid, and increases water in the intestines which may induce bowel movements.

Dulcolax Liquid is used as a laxative to relieve occasional constipation.

Dulcolax Liquid is also used as an antacid to relieve indigestion, sour stomach, and heartburn.

Dulcolax Liquid may also be used for purposes not listed in this medication guide.

Dulcolax Liquid 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.

Dulcolax Liquid may cause serious side effects. Stop using Dulcolax Liquid and call your doctor at once if you have:

• severe nausea, vomiting, or diarrhea;

• no bowel movement after using the medicine as a laxative;

• rectal bleeding; or

• worsening symptoms.

Common side effects of Dulcolax Liquid may include:

• diarrhea; or

• a decreased sense of taste.

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.

Related/similar drugs

omeprazole, famotidine, MiraLAX, lactulose, docusate, Colace, bisacodyl

Warnings

Do not use Dulcolax Liquid without a doctor's advice if you have stomach pain, nausea, or vomiting.

Before taking this medicine

Do not use Dulcolax Liquid without a doctor's advice if you have stomach pain, nausea, or vomiting.

Ask a doctor or pharmacist if Dulcolax Liquid is safe to use if:

• you have kidney disease;

• you are on a low-magnesium diet; or

• you have a sudden change in bowel habits that has been ongoing for longer than 2 weeks.

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

How should I take Dulcolax Liquid?

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, Dulcolax Liquid should produce a bowel movement within 30 minutes to 6 hours.

Call your doctor if the condition you are treating with Dulcolax Liquid does not improve, or if it gets worse while using this medicine.

Do not use Dulcolax Liquid 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 Dulcolax Liquid 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 Dulcolax Liquid?

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

What other drugs will affect Dulcolax Liquid?

Other drugs may affect Dulcolax Liquid, 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.

Medical Disclaimer

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