Drug-induced hypothyroidism

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Endocrine glands

Thyroid gland

Early symptoms:

• Weakness
• Fatigue
• Cold intolerance
• Constipation
• Weight gain
• Depression
• Brittle fingernails
• Coarsening and thinning of hair
• Dry skin
• Puffy eyes

• Slow speech
• Thickening of the skin
• Puffy face, hands, and feet
• Decreased hearing ability
• Thinning of eyebrows
• Hoarseness
• Menstrual disorders

A physical examination may reveal an enlarged thyroid gland. Your vital signs (temperature, pulse, rate of breathing, blood pressure) may reveal slow heart rate, low blood pressure, and low temperature. A chest x-ray may show an enlarged heart.

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Blood tests to determine thyroid function include:

• Free T4 test
• T3 levels
• TSH (thyroid stimulating hormone)

• Increased cholesterol
• Increased liver enzymes
• Increased serum prolactin
• Low serum sodium
• Low blood glucose
• CBC that shows anemia

Review Date: 08/08/2006
Reviewed By: Robert Hurd, MD, Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network

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