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Elmiron: Uses, Side Effects and Dosage

Updated:
Facts
Status:
Prescription (Rx)
Strength:
100 mg
Active ingredient:

Patient Medication Information: uses, side effects, how to take - Elmiron

ABOUT THIS MEDICATION

What the medication is used for:

The treatment of inflammation and irritation of the bladder wall (interstitial cystitis).

What it does:

ELMIRON® is thought to adhere to the bladder surface supplementing the defective bladder layer. It is hypothesized that this action improves the symptoms of interstitial cystitis.

When it should not be used:

  • Do not use ELMIRON® if you are allergic to pentosan

    polysulfate sodium, related compounds or any of the other ingredients.

  • Do not use ELMIRON® if you have a personal history

    of eye disease that affects the retina.

What the medicinal ingredient is:

pentosan polysulfate sodium

What the nonmedicinal ingredients are:

gelatin capsule, magnesium stearate, microcrystalline cellulose, and titanium dioxide.

What dosage forms it comes in:

Capsules: 100 mg

WARNINGS AND PRECAUTIONS

Serious Warnings and Precautions

Do not use ELMIRON® if you have a personal history of eye disease that affects the retina.

Cases of retinal changes (pigmentary maculopathy) have been reported with long-term use of ELMIRON®. This eye disease changes the centre of the retina (called the ‘macula’). This may harm your vision and may lead to a permanent decrease or loss of central vision. Tell your doctor and eye doctor right away if you notice any changes in your vision.

While taking ELMIRON®, regular eye exams that include checking your retina are recommended for detection of pigmentary maculopathy. Your doctor will decide when these eye exams are needed, and if the treatment should be continued.

BEFORE you use ELMIRON® talk to your doctor or pharmacist if:

  • You are taking anticoagulant therapy such as coumarin anticoagulants, heparin, tPA, streptokinase, high-dose ASA (acetylsalicylic acid) or anti-inflammatory drugs such as ibuprofen
  • You are at increased risk of bleeding due to diseases such as ulcerative GI lesions (sores inside your digestive tract), aneurysms (balloon-like bulges in a blood vessel), or diverticulae (small protrusions of the lining of the intestine into the surrounding muscle).
  • You will be undergoing surgery
  • You are pregnant or breastfeeding

  • You have liver problems
  • You have a personal or family history of eye problems. Tell your doctor if you notice any changes in your vision.

The safety and effectiveness of ELMIRON® in children and adolescents below the age of 18 years have not been established.

INTERACTIONS WITH THIS MEDICATION

Since ELMIRON® is a weak anticoagulant (blood thinner), tell your doctor or pharmacist if you are taking any other anti-coagulant therapy such as warfarin, high-dose ASA (acetylsalicylic acid), and nonsteroidal anti-inflammatory drugs (NSAIDS).

PROPER USE OF THIS MEDICATION

Usual dose:

The recommended dose of ELMIRON® is 300 mg/day taken as one 100 mg capsule orally three times daily. The capsules should be taken with water at least 1 hour before meals or 2 hours after meals.

Overdose:

Call your doctor or go to the nearest hospital emergency department. Take the labelled medicine bottle with you.

Missed dose:

Take the dose as soon as you remember. If it is almost time for your next dose, skip the dose you missed and take your next dose. Do not double doses to make up for the missed dose.

SIDE EFFECTS AND WHAT TO DO ABOUT THEM

ELMIRON® is usually well tolerated. Reported adverse reactions are infrequent and usually do not require discontinuation of treatment. The most common reactions are associated with digestion, blood, and skin. Common reactions you may experience include nausea and hair loss. Other possible side effects include urticaria (hives), itching, and shortness of breath.

This medication can raise your liver enzymes. This can be confirmed by blood tests ordered by your doctor.

SERIOUS SIDE EFFECTS, HOW OFTEN THEY HAPPEN AND WHAT TO DO ABOUT THEM
Symptom / effect

Talk with your

doctor or pharmacist

Stop taking drug and call your doctor or pharmacis

t

Only if severeIn all cases
Common

Headache

Abdominal pain Diarrhea

Rash

Abnormal liver function test Blood in stool Nose bleed

Gum bleeding

Uncommon

Dizziness

Bruising

Allergic reactions

SERIOUS SIDE EFFECTS, HOW OFTEN THEY HAPPEN AND WHAT TO DO ABOUT THEM
Symptom / effectTalk with your doctor or pharmacistStop taking drug and call your doctor or pharmacis t
Only if severeIn all cases
Unknown

Pigmentary

Maculopathy

(Eye disease that affects the retina): difficulty reading; slow adjustment to low or reduced light, blurry

vision, blurry or wavy vision near or in the center of your field of

vision

This is not a complete list of side effects. For any unexpected effects while taking ELMIRON®, contact your doctor or pharmacist.

HOW TO STORE IT

Store at controlled room temperature (15°C to 30°C). Keep out of the reach of children.

REPORTING SUSPECTED SIDE EFFECTS

You can report any suspected adverse reactions associated with the use of health products to the Canada Vigilance Program by one of the following 3 ways:

  • Report online at www.canada.ca/en/health-canada/services/drugs-health-products/medeffect-canada/adverse-reaction-reporting.
  • Call toll-free at 1-866-234-2345
  • Complete a Canada Vigilance Reporting Form and:

    • Fax toll-free to 1-866-678-6789, or
    • Mail to: Canada Vigilance Program Health Canada

      Postal Locator 1908C

      Ottawa, ON K1A 0K9

Postage paid labels, Canada Vigilance Reporting Form and the adverse reaction reporting guidelines are available on the MedEffect® Canada Web site at.

www.canada.ca/en/health-canada/services/drugs-health-products/medeffect-canada/adverse-reaction-reporting

NOTE: Should you require information related to the management of side effects, contact your health professional. The Canada Vigilance Program does not provide medical advice.

MORE INFORMATION

For questions, concerns or full Product Monograph go to: http://www.janssen.com/canada

or contact the manufacturer, Janssen Inc., at: 1-800-567-3331or 1-800-387-8781

Janssen Inc.

Toronto, Ontario M3C 1L9

Last revised: October 1, 2020

*Registered trademark of IVAX Research, LLC. Used under license.

About this document

Source: Health Canada – Drug Product Database (DPD) and product monographs · DIN (Drug Identification Number): 02029448

Revision date stated in the text: October 1, 2020

Found a mistake? Write to us via the contact page.

The information on this site does not replace the advice of a doctor or pharmacist.

Drug information for Elmiron

Rx or OTC
Prescription (Rx)?
DIN 02029448
Schedule(s) PRESCRIPTION
Active ingredient(s) Pentosan polysulfate sodium 100 MG
Dosage form(s) Capsule
Route(s) of administration Oral
Drug class (WHO ATC)
  1. C Cardiovascular system drugs
    1. C05 Vasoprotectives
      1. C05B Antivaricose therapy drugs
        1. C05BA Heparins or heparinoids for topical use
          1. C05BA04 Pentostan polysulfate sodium
Company JANSSEN INC
Current status Marketed
Current status date February 13, 2003

Source: Health Canada – Drug Product Database (DPD) and product monographs, data as of November 1, 2026. Data from the Health Canada Drug Product Database, as published there. Not a substitute for the advice of a doctor or pharmacist.