Diagnosaurus
TSH increased
Etiology
- Primary hypothyroidism
- "Subclinical" hypothyroidism: high TSH, clinically euthyroid, normal T4
- Autoimmune disease (assay interference)
- Recovery from nonthyroidal illness
- Acute psychiatric illness
- Drugs: dopamine antagonists (eg, metoclopramide), phenothiazines, atypical antipsychotics
- Levothyroxine malabsorption due to iron, sucralfate, aluminum hydroxide antacids, calcium supplements, soy milk
- Rare cases of hyperthyroidism due to inappropriate pituitary TSH secretion, eg, neoplasm
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Last updated: December 1, 2014
Citation
Zeiger, Roni F.. "TSH Increased." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114305/0/TSH_increased.
Zeiger RFR. TSH increased. Diagnosaurus. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114305/0/TSH_increased. Accessed November 3, 2025.
Zeiger, R. F. (2014). TSH increased. In Diagnosaurus (4th ed.). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114305/0/TSH_increased
Zeiger RFR. TSH Increased [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2025 November 03]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114305/0/TSH_increased.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - TSH increased
ID - 114305
A1 - Zeiger,Roni F,
Y1 - 2014/12/01/
BT - Diagnosaurus
UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114305/0/TSH_increased
PB - McGraw-Hill Education
ET - 4
DB - Emergency Central
DP - Unbound Medicine
ER -
