Are You Taking Too Much Levothyroxine?
Table of ContentsView AllTable of ContentsThyroid MedicationsSigns and SymptomsCauses and Risk FactorsTests and MonitoringWhen to See a Healthcare ProviderFrequently Asked Questions Table of ContentsView All View All Table of Contents Thyroid Medications Signs and Symptoms Causes and Risk Factors Tests and Monitoring When to See a Healthcare Provider Frequently Asked Questions A fast heart rate andfatigueare just two of the signs your thyroid medication dose is too high.This can happen when thyroid hormone replacement drugs likelevothyroxineare used to treathypothyroidism(when a thyroid gland does not produce enough thyroid hormones)....