“The overly cautious thing to do is simply check your thyroid hormone levels,” Cutler said.
He noted that patients experiencing concerns should request a blood test to confirm their hormone balance remains within the proper therapeutic range.
“If you’re concerned that your thyroid hormone level might be low because you’re taking a subpotent product, simply check your thyroid hormone levels with a blood test to get reassurance that your thyroid hormone levels are okay,” Cutler added.
Medical guidance from health officials advises patients not to stop taking their prescribed levothyroxine abruptly. Halting medication can pose greater health risks than continuing the subpotent tablets.
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Because retail pharmacies typically transfer tablets into custom prescription vials, consumers who suspect their medication may be impacted are advised to contact their pharmacist to verify the specific lot and national drug code numbers on file.