hypothyroidism
2 interactions related to hypothyroidism
levothyroxine + calcium
Calcium significantly reduces levothyroxine absorption
levothyroxinecalciumabsorptionabsorption interactionsupplement timingthyroid medicationhypothyroidismTSHantacidscalcium supplements
levothyroxine + iron
Iron reduces levothyroxine absorption by up to 65%
levothyroxineironabsorptionabsorption interactionsupplement timingmedication timingthyroid medicationhypothyroidismTSHferrous sulfate