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Thyrotoxic periodic paralysis in a patient abusing thyroxine for weight reduction
Y C Chen1, J T Fang, C T Chang
1Department of Medicine, Chang Gung Memorial Hospital, Kweishan, Taoyuan, Taiwan.
Renal Failure
|March 21, 2001
Summary
Thyrotoxic periodic paralysis, a rare endocrine disorder, can occur from thyroxine abuse. This case highlights an unusual presentation of periodic paralysis in a patient with previously normal thyroid function.
Area of Science:
- Endocrinology
- Neurology
- Genetics
Background:
- Thyrotoxic periodic paralysis (TPP) is a rare endocrine disorder characterized by episodic muscle weakness, hypokalemia, and hyperthyroidism.
- TPP is most common in individuals of Asian descent, often linked to genetic predispositions.
Observation:
- This report details an unusual case of a patient with no prior thyroid abnormalities.
- The patient self-administered thyroxine for weight loss, leading to the development of thyrotoxicosis.
Findings:
- The patient presented with periodic paralysis, affecting both upper and lower limbs.
- This occurred despite a history of normal thyroid function, suggesting thyroxine abuse as the causative factor.
Implications:
- This case underscores the potential for iatrogenic thyrotoxicosis and subsequent TPP due to non-prescribed thyroxine use.
- Highlights the importance of considering exogenous thyrotoxicosis in the differential diagnosis of periodic paralysis.
- Emphasizes the need for careful patient history taking regarding medication and supplement use.