Synthroid comes as a tablet that’s taken by mouth. The tablets come in different colors depending on which strength they are. Typically, your doctor will start by prescribing a low dosage level.

BOSTON — Some infants require a levothyroxine dose reduction for iatrogenic hyperthyroxinemia when following guidelines for initiating therapy for congenital hypothyroidism. “The current ...

NASHVILLE, Tenn. — Calculating levothyroxine dose by weight is comparable to using body-fat percentages or BMI, according to data presented here. “Traditionally, starting replacement doses of ...