H03A Thyroid preparations

H03AA Thyroid hormones H03AA01 Levothyroxine sodium H03AA02 Liothyronine sodium H03AA03 Combinations of levothyroxine and liothyronine H03AA04 Tiratricol H03AA05 Thyroid gland preparations H03AA51 Levothyroxine sodium and iodine compounds

H03B Antithyroid preparations

H03BA Thiouracils H03BA01 Methylthiouracil H03BA02 Propylthiouracil H03BA03 Benzylthiouracil

H03BB Sulphur-containing imidazole derivatives H03BB01 Carbimazole H03BB02 Thiamazole H03BB52 Thiamazole, combinations

H03BC Perchlorates H03BC01 Potassium perchlorate

H03BX Other antithyroid preparations H03BX01 Diiodotyrosine H03BX02 Dibromotyrosine

H03C Iodine therapy

H03CA Iodine therapy

References