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Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing

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Subclinical Hyperthyroidism Presenting as Urinary Frequency and Polyuria: A Case Report.

Hameed H Salah^1,2, Elizabeth M Pines^3,2

¹Anesthesiology, OhioHealth Doctors Hospital, Columbus, USA.

|August 19, 2025

Summary

This summary is machine-generated.

Subclinical hyperthyroidism can cause urinary frequency and polyuria, even in elderly patients with complex medical histories. Early diagnosis is crucial for appropriate management and preventing complications.

Keywords:

aspiration pneumonia multinodular goiter polyuria subclinical hyperthyroidism urinary frequency

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Area of Science:

Endocrinology
Internal Medicine

Background:

Hyperthyroidism, a condition of excess thyroid hormone, presents with diverse symptoms.
Urinary frequency and polyuria are less common presentations of hyperthyroidism.

Observation:

This report details a case of subclinical hyperthyroidism in an elderly patient.
The patient presented with generalized weakness, urinary frequency, polyuria, and intermittent diarrhea.
A complex medical history, including multinodular nontoxic goiter and recurrent aspiration pneumonia, complicated the diagnosis.

Findings:

Despite the complex presentation, subclinical hyperthyroidism was diagnosed.
The patient received intravenous fluids and was discharged on propranolol.

Implications:

This case highlights the importance of considering hyperthyroidism in the differential diagnosis of urinary frequency and polyuria.
Prompt recognition of subclinical hyperthyroidism is essential for effective patient management.