The medicinal ingredients, their concentrations and combinations in Category IV products are restricted to those specified in this monograph. The medicinal ingredients must be identified on product labelling by the names given in this monograph.
Science and technology. 1  Insulin-dependent diabetes, called diabetes mellitus type 1. 2  Interictal dysphoric disorder. 3  International direct dialing, in telephony.  Iodine deficiency disorders, commonly used when discussing IDD eradication 1  programs. IDD, the electric current in the drains of a CMOS circuit.
The International Direct Dialing prefix (IDD) is the prefix needed to make a call from a country to another country; in that sense, it is like a long distance dialing prefix that you put before the area code.n general, you will also have to provide the country code for the country you are calling, just as when making a long distance call you have to put in the area code after the long distance prefix.