Synthroid 50mcg
Synthroid 50mcg is one of 5 strengths in which Synthroid (Levothyroxine) is supplied. The full range is 25mcg, 50mcg, 75mcg, 100mcg, 150mcg. This page covers what the 50mcg strength is used for and how it fits into typical dosing.
Forms and dosages
Synthroid is supplied as colour-coded oral tablets in 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200 and 300 mcg strengths. Dosing is by body weight and underlying condition: full replacement is approximately 1.6 mcg/kg/day in young, otherwise-healthy adults. Older adults or those with cardiovascular disease start lower (12.5–50 mcg) and titrate cautiously. Take on an empty stomach 30–60 minutes before breakfast, with water only.
Indications
Synthroid is approved for hypothyroidism of any cause (Hashimoto thyroiditis, post-thyroidectomy, post-radioiodine, congenital), goitre and TSH suppression after differentiated thyroid cancer. According to current guidelines, levothyroxine alone is the standard first-line therapy for hypothyroidism; combination T4/T3 or desiccated thyroid extract are not recommended as routine first-line treatment.
All strengths
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