Drug details

Synthroid (levothyroxine sodium)

type of Thyroid Products

Synthroid (levothyroxine sodium) is a synthetic compound identical to T4 (levothyroxine) produced by the human thyroid gland used to treat hypothyroidism due to many causes (for example:

This drug may have the following side effects:
  • vomiting,
  • diarrhea,
  • fever,
  • shortness of breath,
  • tiredness,
  • chest pain,
  • muscle aches,
  • headache,
  • sweating,
  • weakness,
  • hot flashes,
  • sleep problems (insomnia),
  • hair loss,
  • feeling cold,
  • tremors,
  • memory problems,
  • leg cramps,
  • weight changes
  • fast or irregular heartbeats,
  • appetite changes,
  • feeling depressed, nervous or irritable,
  • dryness of skin or hair,
  • changes in your menstrual periods,
The following drugs are related to Synthroid, either as a replacement or used together:
  • Armour Thyroid (thyroid tablets)
  • Belviq XR (lorcaserin hydrochloride extended release tablets)
  • Cytomel (liothyronine sodium)
  • Eurothyrox (levothyroxine sodium tablets)
  • Levolet (levothyroxine sodium tablets)
  • Levothroid (levothyroxine sodium)
  • Levoxyl (levothyroxine sodium)
  • Unithroid (levothyroxine sodium)
  • Tirosint-Sol (levothyroxine sodium oral solution)
  • Thyquidity (levothyroxine sodium oral solution)
  • Triostat (liothyronine sodium injection)
  • Thyrolar (liotrix)
  • Tapazole (methimazole)
  • Nature-Throid (thyroid tablets)
  • NP-Thyroid (thyroid tablets)
  • Tepezza (teprotumumab-trbw for injection, for intravenous use)
  • WP-Thyroid (thyroid tablets)
  • Westhroid (thyroid tablets, usp)