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A member asked:

Is brain fog a symptom of overactive thyroid?

A doctor has provided 1 answer

CNS activation: Hyperthyroidism can cause nervousness, irritability, anxiety, insomnia and fatigue. In rare instances, it may cause manic or psychotic symptoms. It is good to be evaluated by your physician to determine if you have a thyroid abnormality.

Dr Pappas and 3 doctors agreed

Answered 9/24/2019

4.9k views

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