Utrona Side Effects
Generic Name: hyoscyamine / methenamine / methylene blue / phenyl salicylate
Note: This page contains side effects data for the generic drug hyoscyamine / methenamine / methylene blue / phenyl salicylate. It is possible that some of the dosage forms included below may not apply to the brand name Utrona.
Applies to hyoscyamine / methenamine / methylene blue / phenyl salicylate: oral tablet, oral tablet enteric coated
As well as its needed effects, hyoscyamine / methenamine / methylene blue / phenyl salicylate may cause unwanted side effects that require medical attention.
If any of the following side effects occur while taking hyoscyamine / methenamine / methylene blue / phenyl salicylate, check with your doctor or nurse as soon as possible:Less common or rare:
- Blurred vision
- eye pain
- skin rash or hives
- Blood in urine and/or stools
- drowsiness (severe)
- fast heartbeat
- flushing or redness of face
- headache (severe or continuing)
- lower back pain
- pain or burning while urinating
- ringing or buzzing in the ears
- shortness of breath or troubled breathing
- unusual tiredness or weakness
Minor Side Effects
Some hyoscyamine / methenamine / methylene blue / phenyl salicylate side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:Less common:
- Difficult urination (more common with large doses taken over a prolonged period of time)
- dryness of mouth, nose, or throat
- nausea or vomiting
- stomach upset or pain (more common with large doses taken over a prolonged period of time)
This medicine may cause your urine and/or stools to turn blue or blue-green. This is to be expected while you are taking this medicine.
It is possible that some side effects of Utrona may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
More about Utrona (hyoscyamine / methenamine / methylene blue / phenyl salicylate)
- Side Effects
- Dosage Information
- Drug Interactions
- Support Group
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- Drug class: urinary antispasmodics
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