Docusate sodium (By mouth)

Docusate Sodium (DOK-ue-sate SOE-dee-um)

Relieves constipation. This medicine is a stool softener.

Brand Name(s):

Diocto Liquid, Pedia-Lax Liquid Stool Softener

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is not right for everyone. Do not use it if you had an allergic reaction to docusate sodium.

How to Use This Medicine:

Liquid

  • Your doctor will tell you how much medicine to use. Do not use more than directed.
  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
  • Take this medicine with 6 to 8 ounces of milk, juice, or infant formula to mask the bitter taste.
  • Follow the instructions on the medicine label if you are using this medicine without a prescription.
  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Do not freeze.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

  • Do not use this medicine if you are also using mineral oil.

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you have stomach pain, nausea, vomiting, or sudden change in bowel habits that lasts over 2 weeks.
  • Tell your doctor right away if you have rectal bleeding or fail to have a bowel movement after using this medicine.
  • Call your doctor if your symptoms do not improve or if they get worse.
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Black, tarry stools, blood in stool

If you notice other side effects that you think are caused by this medicine, tell your doctor

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


Last Updated: 9/4/2025

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