The Web Health



Generic name: [HYE-oh-SYE-a-meen, meth-EN-a-meen, METH-il-een-BLUE, FEEN-il-sa-LIS-il-ate, SOE-dee-um-bye-FOS-fate] Hyoscyamine, methenamine, methylene blue, phenyl salicylate, and sodium biphosphate

Brand names: Phosphasal, Urelle, Uribel, Urimar-T
Classification of drugs: Urinary antispasmodics

What is Urimar-T?

Hyoscyamine creates a variety of effects within the body, such as relaxation from muscular spasms. Methenamine and methylene blue act as mild antiseptics to fight the growth of bacteria that cause urinary tract infections and bladder infections. Phenyl salicylate acts as a mild painkiller.

The sodium biphosphate form is one of phosphorus. It's an organic substance that plays a vital role in every cell of the body.

Urimar-T is a mixture medicine that treats bladder irritation (pain spasms, inflammation) due to urinary tract infections. Urimar-T can also be used to stop bladder discomfort when undergoing a medical procedure. Urimar-T could be used for other purposes that are not mentioned in this guide.

Side Effects of Urimar-T

See a doctor immediately. Get medical attention immediately if you notice symptoms that indicate an allergic reaction, like hives, trouble breathing, or swelling of your lips, face, and tongue.

This medication could cause severe adverse consequences. Take this medicine off and consult your physician immediately if you suffer from:

  • Severe dizziness, blurred vision, and a fast heart rate;
  • Uncomfortable or difficult to urinate
  • Breathlessness.

Senior citizens are more susceptible to adverse reactions from this medication.

Methylene blue can cause your stools or urine to appear green or blue in color. This is a typical consequence of the drug and won't cause harm.

Common side effects of Urimar-T could include:

  • Dizziness, drowsiness;
  • Dry mouth
  • Nausea, vomiting.

This list does not encompass all possible adverse reactions; other effects may also exist. Please consult with a healthcare provider if any adverse effects arise and report any related side effects to the FDA at 1-800-FDA-1088.

Similar or related drugs

Amoxicillin, Doxycycline, Ciprofloxacin, Augmentin, Levofloxacin, and Ceftriaxone


There are many drugs that can interfere with methylene blue. While you're taking this medication, you should not discontinue or start using any other medication without consulting your physician.

If you're taking an antidepressant or other psychiatric medication, consult your physician immediately if you exhibit indications of a dangerous drug interaction. This could include confusion, memory issues, feeling overly active (mentally as well as physically), losing control, a muscle that is twitching, sweating, shivering, and/or fever.

Before you take this drug

This medication is used if you have an allergy to methenamine, hyoscyamine, phenyl salicylate, methylene blue, and sodium biphosphate.

While you are receiving treatment using this medicine, don't take or stop taking other medicines unless your physician tells you to.

To ensure that this medication is appropriate for you, consult your physician if you suffer from:

  • Heart disease;
  • A heart rhythm disorder
  • Congestive heart failure;
  • Coronary heart diseases;
  • A heart valve disorder;
  • Glaucoma;
  • An enlarged prostate or obstruction of the bladder;
  • Myasthenia gravis;
  • An ulcer or obstruction inside your stomach.
  • An anal or sensitivity belladonna (donnatal and other)
  • Allergy salicylates (such as aspirin, choline, magnesium trisalicylate, and magnesium salicylate).

It isn't known if this medication could cause harm to a baby who is not yet born. Inform your physician if you are expecting or planning to become pregnant while taking this medication.

This medication can be absorbed into breast milk and can affect a nursing baby. Inform your physician if you plan to breastfeed. Don't give the medication to a child unless you have medical guidance.

How do I take Urimar-T?

Follow the instructions on the label of your prescription. Don't take this medication in smaller or larger doses or for longer than the recommended time. Drink plenty of fluids when you take this medication.

Hyoscyamine can cause a slowing of digestion, and it could delay the time it takes for your body to take in any medication you are taking by mouth. Keep at room temperature and free of heat, moisture, and light. Close the bottle when not being used.

What happens if I miss the dose?

Do the missed dose as quickly as you remember. Avoid your missed dosage if you are nearing the time for the next dose. Do not take extra medication to make up for any missed dosage.

What happens if I overdose?

For medical emergencies, seek immediate medical assistance or contact the Poison Help Line at 1-800-222-1222.

What should be avoided?

Beware of taking an antacid anti-diarrhea medication within one hour prior to or following the time you have taken methenamine or hyoscyamine. Methylene blue, phenyl salicylate, and sodium biphosphate antacids or anti-diarrhea medicines can hinder your body's ability to digest hyoscyamine.

If you're also taking ketoconazole (Nizoral), be sure to wait at least 2 hours following the dose before taking hyoscyamine, methenamine, methylene blue, phenyl salicylate, and sodium biphosphate.

Interaction with other drugs

A variety of drugs may interfere with methylene blue. Talk with your physician about any additional medications you take. You might have to stop taking certain medications (in some instances, for at least 5 weeks) before you begin treatment with Urimar-T. But do not discontinue taking any medicines without consulting your physician. This includes:

  • Any antidepressant, of whatever kind;
  • Diet pills, stimulants, diet pills, anti-cold or allergy medications, ADHD medication;
  • Narcotic pain medication
  • Medications for treating Parkinson's illness (also known as restless leg syndrome);
  • A "triptan" migraine headache

If you take any of the above medications while taking a medicine that contains methylene blue, it could result in excessive levels of serotonin within the human body. Consult your doctor immediately if you are experiencing symptoms of this disorder, such as anxiety and hallucinations. Also, fever, rapid heart rate, excessive reflexes, nausea, vomiting, loss of coordination, diarrhea, and falling asleep

Numerous drugs may interact with this drug. It is not possible to list all the interactions mentioned here. In addition, hyoscyamine could make it more difficult for the body's ability to take in other drugs you consume by mouth. Inform your doctor of the medications you take and those you begin or stop taking, particularly:

  • A diuretic "water pill";
  • Drugs that change the ph of your urine: sodium bicarbonate, potassium citrate sodium citrate, citric acid, and potassium
  • Bladder or urinary medicines—darifenacin, fesoterodine, oxybutynin, tolterodine, solifenacin;
  • A sulfa drug.

This list isn't complete, and other medications may interfere with Urimar-T. This includes over-the-counter and prescription medicine, vitamins, and herbal remedies. Make an inventory of all your prescriptions for any doctor who will treat you.



Prescription only

Pregnancy & Lactation

CSA Schedule*
Related Drugs
Related Stories