NP Thyroid Side Effects
Generic name: thyroid desiccated
Medically reviewed by Drugs.com. Last updated on May 23, 2022.
Note: This document contains side effect information about thyroid desiccated. Some of the dosage forms listed on this page may not apply to the brand name NP Thyroid.
For the Consumer
Applies to thyroid desiccated: oral tablets
Side effects include:
Adverse reactions result from overdosage and resemble manifestations of hyperthyroidism, including fatigue, weight loss, increased appetite, heat intolerance, fever, excessive sweating, headache, hyperactivity, nervousness, anxiety, irritability, emotional lability, insomnia, tremor, muscle weakness, palpitations, tachycardia, arrhythmias, increased heart rate and BP, heart failure, angina, AMI, cardiac arrest, diarrhea, vomiting, abdominal cramps, elevations in liver function tests, hair loss, flushing, decreased bone mineral density, menstrual irregularities, and impaired fertility.
For Healthcare Professionals
Applies to thyroid desiccated: compounding powder, oral capsule, oral tablet
Adverse reactions other than those attributable to hyperthyroidism due to therapeutic overdose are rare. Excessive doses may result in a hypermetabolic state resembling in every respect the condition of endogenous origin.[Ref]
If signs and symptoms of overdosage appear, the dosage should be reduced or therapy temporarily discontinued and may be reinstituted at a lower dosage. Normal hypothalamic-pituitary-thyroid axis function has been restored in 6 to 8 weeks after thyroid suppression.[Ref]
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Related treatment guides
1. "Product Information. Armour Thyroid (thyroid desiccated)." Forest Pharmaceuticals (2022):
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Some side effects may not be reported. You may report them to the FDA.