AxisThyroid Blog

Thyroid Health, Clearly Explained

Articles on testing, diagnosis, and telehealth care — written by a clinician who’s a Hashimoto’s patient herself.

Thyroid Science May 23, 2026 8 min read

Levothyroxine Side Effects: What Your Doctor Won’t Tell You

Still tired, foggy, and losing hair on levothyroxine with a “normal” TSH? Most persistent symptoms are signs of inadequate treatment, not side effects. Learn about T4→T3 conversion, the DIO2 gene, combination therapy, and when to ask for a medication review.

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