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Brand Name
Woodward's Glycerin Suppositories for Children
Common Name
glycerin
How does this medication work? What will it do for me?

Glycerin belongs to the group of medications called laxatives. Glycerin is used in suppository form for the relief of occasional constipation. It works by softening the stools and keeping water in the intestines. This causes colon muscles to contract and produce a bowel movement more quickly.

This medication may be available under multiple brand names and/or in several different forms. Any specific brand name of this medication may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of this medication may not be used for all of the conditions discussed here.

Your doctor may have suggested this medication for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are using this medication, speak to your doctor or pharmacist.

Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to use this medication if their doctor or pharmacist has not recommended it.

How should I use this medication?

The recommended dose for adults is 1 adult suppository inserted rectally (into the anus).

For children 2 years old and older, the usual dose is 1 child suppository inserted rectally. For children under 2 years old, talk to your doctor. Make sure the suppository stays in the rectum for 15 to 30 minutes so that enough of the medication has been released.

Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones above, do not change the way that you are using the medication without consulting your doctor or pharmacist.

It is important to use this medication exactly as recommended by your doctor or pharmacist.

Store this medication at room temperature, protect it from heat, and keep it out of the reach of children.

What form(s) does this medication come in?

Glycerin is no longer being manufactured for sale in Canada and is no longer available under any brand names. This article is being kept available for reference purposes only. If you are using this medication, speak with your doctor or pharmacist for information about your treatment options.

Who should NOT take this medication?

Do not use this medication if you:

  • are allergic to glycerin or to any of the ingredients of the medication
  • have an anal fissure, fistula, ulcerating hemorrhoid, or inflamed rectum
What side effects are possible with this medication?

Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent. The side effects listed below are not experienced by everyone who takes this medication. If you are concerned about side effects, discuss the risks and benefits of this medication with your doctor.

The following side effects have been reported by at least 1% of people taking this medication. Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

  • burning sensation
  • rectal discomfort

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking this medication.

Are there any other precautions or warnings for this medication?

Before you begin using a medication, be sure to inform your doctor of any medical conditions or allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use this medication.

Fever, nausea, vomiting, abdominal pain: If you have any of these symptoms, don't use this medication until you talk to your doctor.

Long-term use: This medication should not be taken daily for more than one week (for adults) or more than 3 days (for children) unless directed by your doctor. Long-term use can make your bowels dependent on this medication to function.

What other drugs could interact with this medication?

Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications that you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them. Depending on your specific circumstances, your doctor may want you to:

  • stop taking one of the medications,
  • change one of the medications to another,
  • change how you are taking one or both of the medications, or
  • leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. In many cases, interactions are intended or are managed by close monitoring. Speak to your doctor about how any drug interactions are being managed or should be managed.

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