Vitamin D and analogues may be regarded as hormones, but are classified in this group. Calcium homeostasis, see H05.
Paricalcitol and doxercalciferol indicated for the prevention and treatment of secondary hyperparathyroidism are classified in H05BX -
Other anti-parathyroid agents.
The DDDs are based on therapeutic use. No DDD is established for ergocalciferol due to great differences between doses used for various indications. The DDD of 20 mcg colecalciferol corresponds to 800 IU.
