Condition Information

Learn more about your health with helpful, accurate information on common and rare conditions.


Welcome to the Costco Pharmacy Condition Library, powered by MediResource™. This detailed information resource is designed to support your health and wellness by helping you learn about and better understand medical conditions. All information is regularly reviewed and updated by Canadian doctors and pharmacists. For additional health information, please talk to your Costco Pharmacist.

Each Condition Library factsheet contains information about:

  • what causes a disease and how it can be prevented
  • what the symptoms and treatment are
  • what other illnesses can follow
  • and more

All material © 1996- MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.