C01DA
Organic nitrates
ATC/DDD code C01DA for Organic nitrates
This group comprises nitrates used on the indication angina pectoris, including transdermal preparations. Amyl nitrite is classified in V03AB - Antidotes.
Combinations of isosorbide dinitrate and hydralazine are classified in C01DA58.
All nitrate preparations in combination with psycholeptics are classified in C01DA70. Nitrates in combination with psycholeptics and other agents are also given the code C01DA70.
The DDDs for the nitrates are mainly based on the treatment of angina pectoris attacks (3-4 times daily). The DDDs of preparations for oral and transdermal administration are higher than the DDDs for other routes of administration (e.g. sublingual)
due to a lower bioavailability.
The DDDs for some preparations are mainly based on prophylaxis, for instance the DDDs of isosorbide dinitrate and glyceryl trinitrate plaster.
No DDDs are established for parenteral preparations due to great differences in the dosages used.
ICD-10 International Statistical Classification of Diseases and Related Health Problems 10th Revision