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Urogesic Blue Side Effects

Generic name: hyoscyamine / methenamine / methylene blue / sodium biphosphate

Medically reviewed by Last updated on Jul 30, 2023.

Note: This document contains side effect information about hyoscyamine / methenamine / methylene blue / sodium biphosphate. Some dosage forms listed on this page may not apply to the brand name Urogesic Blue.

Applies to hyoscyamine / methenamine / methylene blue / sodium biphosphate: oral capsule, oral tablet.

Serious side effects of Urogesic Blue

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • A fast heartbeat.
  • Blurred eyesight.
  • Dizziness.
  • Feeling confused.
  • Trouble passing urine.

Other side effects of Urogesic Blue

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Upset stomach or throwing up.
  • Dry mouth.
  • Change in color of urine or stool to blue or green.
  • Flushing.
  • Feeling sleepy.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at

More about Urogesic Blue (hyoscyamine / methenamine / methylene blue / sodium biphosphate)

Patient resources

Other brands

Indiomin MB, Urolet MB, Uta

Professional resources

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.