The DDDs are based on the treatment of hypercholesterolemia.
C10B - Lipid Modifying Agents, Combinations
Fixed combinations of blood glucose-lowering drugs and lipid modifying agents are classified in A10B.
For fixed combinations in C10B the DDD is based on dosing frequency only. This implies that 1 UD (1 tablet) is the DDD for all products given once daily and the DDD for products given twice daily and three times daily is 2 UD (2 tablets) and 3 UD (3 tablets) respectively.
C10BA - Hmg Coa Reductase Inhibitors in Combination with Other Lipid Modifying Agents
The DDD for the fixed combination of simvastatin or atorvastatin and ezetimibe is 1 UD (1 tablet), regardless of strength. The DDD for the fixed combination of pravastatin and fenofibrate is 1 UD (1 tablet), regardless of strength.