Elmiron (Oral)

Questions | Reviews

Elmirnon and heavy menstrual bleeding

Does Elmiron cause menstrual bleeding to become more heavy and to last longer?...Last month my period lasted for a few weeks with heavier bleeding than I've ever had..This month my oby/gyn has put me on Loestrim/24 birth control pills to shorten m...
by Kathy in New Jersey, 12/03/2006


How does Elmiron work in the body? What is the drug classification and NDC number?
by Nicole in Denver, CO, 09/18/2006

Can Macrobid and Elmiron be taken together?

I have lost one kidney to infection.  I take two Macrobid per day --100MG caps.  I have begun taking Elmiron three times a day 100MG caops.  Can the two prescriptions be taken successfully together? 
by Jacqueline Holbrook in Bountiful, Utah USA, 11/11/2006

Elmiron (Oral) Drug and Prescription Information

Elmiron (Oral)

Elmiron (Oral) Medication Classification


Elmiron (Oral) Brandname


Elmiron (Oral) is used for the Treatment

Pentosan Polysulfate Sodium (PEN-toe-san pol-ee-SUL-fate SOE-dee-um) Relieves bladder pain caused by a bladder disorder called interstitial cystitis.

When To Not Use Elmiron (Oral)

You should not use this medicine if you have had an allergic reaction to pentosan polysulfate sodium or related medicine such as heparin.

How Should You Use Elmiron (Oral)


  • Your doctor will tell you how much medicine to take and how often. You should not use more of the medicine or take it more often than your doctor ordered.
  • Take the medicine with water at least 1 hour before or 2 hours after a meal (unless your doctor tells you differently).
  • If a dose is missed:
  • Take the missed dose as soon as possible, unless it is almost time for your next dose.
  • Skip the missed dose if it is almost time for your next regular dose.
  • You should not use two doses at the same time.

Proper Elmiron (Oral) Storage

Store Elmiron (Oral) at room temperature away from sunlight and moisture unless otherwise stated by manufacturer's instructions or labelling. Keep Elmiron (Oral) and all medications out of the reach of children.

What To Avoid While Using Elmiron (Oral)

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

  • Make sure your doctor knows if you are taking aspirin (including products that may contain aspirin, such as cold medicines or pain relievers) or blood thinners such as Coumadin® or heparin. Pentosan polysulfate taken with these medicines may increase the risk of bleeding problems.

Elmiron (Oral) Warnings

  • If you are pregnant or breastfeeding, talk with your doctor before taking this medicine. If you become pregnant while being treated with this medicine, tell your doctor right away.
  • This medicine is like a weak anticoagulant (blood thinner). It can slow down your blood's ability to make clots, so you may bruise more easily or bleed longer if you are injured. If you have nosebleeds, bleeding from your gums, or unusual bruising, tell your doctor.
  • Make sure your doctor knows if you have liver disease, spleen problems, any bleeding problems such as hemophilia or stomach ulcers, or if you have polyps or diverticulitis.
  • Before having any surgery or dental work, make sure you tell your doctor or dentist that you are taking this medicine.

Elmiron (Oral) Side Effects

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

  • Bleeding from your gums or nose
  • Bloody or black bowel movements
  • Coughing up blood
  • Bloody vomit or vomit that looks like coffee grounds
  • Severe stomach pain or diarrhea that does not stop
  • Unusually heavy menstrual bleeding
  • Bleeding from cuts or wounds that does not stop
  • Easy bruising, purple spots on the skin
  • If you notice these less serious side effects, talk with your doctor:
  • Hair loss
  • Upset stomach, indigestion, or nausea
  • Mild stomach pain or diarrhea

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