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Senna (By mouth)

Senna (SEN-a)

Relieves occasional constipation.

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

This medicine is generally considered safe for most people. Talk to your doctor if you have concerns.

How to Use This Medicine:

Liquid, Powder, Tablet, Chewable Tablet

  • Your doctor will tell you how much medicine to use. Do not use more than directed. This medicine causes bowel movement in 6 to 12 hours.
  • Oral liquid: Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.
  • 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.

Drugs and Foods to Avoid:

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

Warnings While Using This Medicine:

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or liver disease.
  • Before you use this medicine, tell your doctor if you have stomach pain, nausea, vomiting. Tell him if you have already used a laxative for more than 1 week, or if you have had changes in your bowel movements recently.
  • 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
  • Stomach pain, nausea or vomiting

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: 10/4/2017
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