ATC code H03

ATC codes
H Systemic hormonal preparations, excluding sex hormones and insulins
H01 Pituitary and hypothalamic hormones and analogues
H02 Corticosteroids for systemic use
H03 Thyroid therapy
H04 Pancreatic hormones
H05 Calcium homeostasis
A B C D G H QI J L M N P R S V (Hover over links to see titles)

ATC code H03 Thyroid therapy is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products. Subgroup H03 is part of the anatomical group H Systemic hormonal preparations, excluding sex hormones and insulins.

Codes for veterinary use (ATCvet codes) can be created by placing the letter Q in front of the human ATC code: for example, QH03.

National issues of the ATC classification may include additional codes not present in this list, which follows the WHO version.

== H03A Thyroid preparations==

=== H03AA Thyroid hormones===

H03AA01 Levothyroxine sodium

H03AA02 Liothyronine sodium

H03AA03 Combinations of levothyroxine and liothyronine

H03AA04 Tiratricol

H03AA05 Thyroid gland preparations

== 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===