Table 1:

Characteristics of drugs listed as drugs to avoid by Prescrire and approved in Canada

Anatomic/therapeutic/chemical category (2nd level)No. of drugs in categoryNo. of drugs
Time of approvalPrescription status
Before 1980Jan. 1, 1980, to Dec. 31, 1989Jan. 1, 1990, to Dec. 31, 1999Jan. 1, 2000, to Dec. 31, 2009After Jan. 1, 2010Prescription onlyOver the counterNatural health product
Agents acting on the renin-angiotensin system222
Antibacterials for systematic use222
Anti-inflammatory and antirheumatic products*42131
Antineoplastic agents555
Antiobesity preparations111
Antithrombotic agents111
Cardiac therapy3123
Drugs for constipation111
Drugs for functional gastrointestinal disorders111
Drugs for obstructive airway diseases2112
Drugs for treatment of bone diseases111
Drugs used in diabetes7347
Immunomodulating drugs111
Lipid-modifying agents222
Muscle relaxants111
Nasal preparations444
Other dermatological preparations111
Other nervous system drugs111