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How does catheterization help diagnose overactive bladder?

Donna Hill Howes, RN
Family Medicine
A catheter is a thin, soft tube. A catheter may be inserted into the bladder to drain urine or to insert dyes or other substances during X-rays.   It helps to determine the amount of remaining urine in the bladder and may identify blockages that prevent urine from flowing properly.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.