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Generic name: pentosan polysulfate sodium [PEN-toe-san-POL-ee-SUL-fate-SOE-dee-um]
Classification of drugs: Miscellaneous genitourinary tract agents

What is Elmiron?

Elmiron is used to relieve discomfort and pain in the bladder due to cystitis (bladder inflammation or irritation of the bladder).Elmiron is suitable for adults and children who are 16 or older.Elmiron could also be prescribed for other purposes that are not mentioned in this guide.

Side effects of Elmiron

Contact a medical professional immediately in the event that you exhibit warning signs of an allergic reaction, such as symptoms of hives, breathing difficulties, and swelling of your lips, face, or tongue.

Elmiron can cause severe adverse effects. Should you experience:

  • Nosebleeds, bleeding gums;
  • The presence of blood in your urine or stools
  • Rectal bleeding from the rectal
  • Coughing up blood;
  • An euphoric feeling, similar to you're passing out
  • Vision issues (blurred vision problems with reading, difficulty seeing in dim light).

Common adverse effects of Elmiron could include:

  • Bloody bruising and bleeding in your stools
  • Hair loss;
  • Nausea, diarrhea, upset stomach;
  • Headache;
  • Weight gain, swelling
  • Dizziness;
  • The rash
  • Unusual liver function tests.

This is not a comprehensive list of possible side effects, and others could happen.


It is important to note that taking Elmiron could make it easier for you to get bleeding. Contact your doctor immediately in case you notice any unusual bleeding (nosebleed, bloody stool, urine bleeding from the rectal, or gum bleeding).

Before you take this drug

It is not recommended to use Elmiron if you are allergic to it.

Speak to your doctor if you were ever diagnosed with:

  • A bleeding or blood clotting disorder;
  • Eye issues (especially problems that affect your retina) within your family or you;
  • An aneurysm or stroke;
  • A stomach ulcer, intestinal polyps, diverticulitis,
  • The liver condition.

Inform your physician immediately if you are breastfeeding or pregnant.

How to take Elmiron?

Follow the instructions on the prescription label and go through all medication guides or instructions sheets. Make sure that you use your medication exactly as prescribed.Take Elmiron with a full bottle of water. Eat with a full stomach, at least an hour before or two hours after eating.Suck this delayed-release capsule intact, and don't crush, chew on, break, or even open it.Your doctor should monitor your progress every 3 months to determine the best time to manage you with Elmiron. It is also possible that you will require vision tests or blood tests to look for specific negative effects.If you are in need of surgery, be sure to inform your surgeon that you use this medication. You might have to stop using the medicine for a brief period of time.Keep it at room temperature, far from heat and moisture.

What happens if I miss the dose?

You should take the medication as quickly as you are able, but do not take your missed dosage if it's nearing the time to take the next dose. Don't take two doses at a time.

What happens if I overdose?

For medical emergencies, seek emergency medical attention or contact for help at the Poison Helpline at 1-800-222-1222.

What should be avoided?

Consult a physician or pharmacist before taking any medication that contains aspirin, ibuprofen, or other similar ingredients. This includes medications to treat the pain of the fever and swelling, as well as cold or flu symptoms.

Interaction with other drug

Discuss with your doctor all other medications, including:

  • A blood thinner—Warfarin, Coumadin, Jantoven;
  • Medication to prevent blood clots: apixaban, heparin, the drug rivaroxaban, Eliquis, Xarelto, and other medications
  • The nsaids (nonsteroidal anti-inflammatory drugs) are aspirin, Ibuprofen, aspirin (Advil, Motrin), naproxen (Aleve), celecoxib, diclofenac, indomethacin, meloxicam, and many more.

This list isn't exhaustive. Other drugs can interact with Elmiron, such as prescription and non-prescription medications, vitamins, and herbal products. There are many possible interactions between drugs that are listed here.



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