Are you concerned that your dose of Synthroid is too high? That may be the case, especially if you are experiencing symptoms such as hair loss, heart palpitations, and heat intolerance. USE. SYNTHROID® (levothyroxine sodium) tablets, for oral use is a prescription, man-made thyroid hormone that is used to treat a condition called hypothyroidism. Administer SYNTHROID to infants and children who cannot swallow intact tablets by crushing the tablet, suspending the freshly crushed tablet in a small amount (5 to 10 mL or 1 to 2 Learn about Synthroid (Levothyroxine Sodium) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. Synthroid (levothyroxine sodium) and Tirosint (levothyroxine sodium) are synthetic compounds identical to T4 (levothyroxine) produced by the human thyroid gland used to treat hypothyroidism due to many causes (for example: thyroid removal, thyroid atrophy, functional T4 deficiency, radiation treatment of the thyroid, and other causes). Pediatric Dosage - Congenital or Acquired Hypothyroidism. The recommended daily dose of SYNTHROID in pediatric patients with hypothyroidism is based on body weight and changes with age as described in Table 1. Hypothyroidism. Synthroid is indicated as a replacement therapy in primary (thyroidal), secondary (pituitary), and tertiary (hypothalamic) congenital or acquired hypothyroidism. Find patient medical information for Synthroid Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Levothyroxine should not be used for obesity treatment or weight loss. In euthyroid patients, thyroid hormone doses within the range of daily hormonal requirements are ineffective for weight reduction. I get tons of emails from thyroid cancer (and other thyroid patients) wondering how to best handle starting new thyroid medication or changing doses of thyroid medication.