Lanthier 17+

Internal Medicine

Les Éditions Formed inc.

    • 4.0 • 30 Ratings
    • Free
    • Offers In-App Purchases



“Lanthier” is a Canadian internal medicine app based on the seventh edition of the pocketbook. Completely re-imagined for iOS, this app will allow any physician, resident or medical student to access up-to-date medical information and guidelines quickly and efficiently.
• Contains Canadian guidelines when available.

Free 7 days trial subscription!

“Lanthier Practical Guide to Internal Medicine is a good choice for an app to replace your pocketbook. Beyond providing quality content with references, it has an excellent design that makes it more than just a digitized version of a book. Finding clinically relevant information about a condition is quick and easy.”

• Concise: edited to be useful at the bedside.
• Fast: advanced search function, intuitive menus.
• Direct link to the references on PubMed and now through Read by QxMD (internet connection required). Build your paper collection using articles selected by Dr Lanthier himself.
• MedCalX integration (sold separately): for quick access to the trusted medical calculator.
• Take personal notes within the topics and synchronize them across your iOS devices. Perfect for studying for board exams!

Dermatology (new)
General Internal Medicine
Infectious Diseases

Dr Luc Lanthier practices General Internal Medicine at the Sherbrooke University Hospital Center and is a Professor of Medicine at the Faculty of Medicine and Health Sciences of the University of Sherbrooke. He is former chair of the French Examination Board for Internal Medicine Exam at the Royal College of Physicians and Surgeons of Canada.

Dr Donald Echenberg practices General Internal Medicine at the Sherbrooke University Hospital Center and is an Associate Professor of Medicine at the Faculty of Medicine and Health Sciences of the University of Sherbrooke. He is past president of the Canadian Society of Internal Medicine and is currently Governor of the Quebec Chapter of the American College of Physicians.

This publication (application) is to be used as a guide only. It is intended only for use by licensed medical practitioners and medical students. Every doctor (or prescriber) is responsible for their actions. Therapeutic options presented in this guide reflect current approaches and guidelines in the field of internal medicine. Content has been peer reviewed by leading experts in their respective fields.

The authors of Lanthier - Practical Guide to Internal Medicine shall not be liable for any injury and/or damage to persons or property arising from the use of this application. This guide is not meant to replace clinical judgment.

It is the responsibility of the licensed prescriber to verify the indications, contraindications and dosage of the medication (and actions) they prescribe.

Lanthier - Internal Medicine is offered as a subscription service, renewed automatically.

Payment will be charged to iTunes Account at confirmation of purchase.

The subscription will automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period.

The iTunes Account will be charged for renewal within 24-hours prior to the end of the current period.

Subscriptions may be managed by the user and auto-renewal may be turned off by going to the aplication «Settings» section and tapping «Manage Subscriptions» after purchase.

For more information on Terms of Use visit

What’s New

Version 4.0.1

Minor visual changes, fixes and improvements

Ratings and Reviews

4.0 out of 5
30 Ratings

30 Ratings

Ydhhogfvnhxvn ,

Good content, format could be better

The topics have huge blocks of text. No bolding or subheadings makes it harder to navigate within a topic. Would be nicer if everything was in easier to access format or lists (especially for differentials). Content is great and nice integration with calculator.

5jaymac ,


I’ve bought this app as a one time fee to have this book on my phone few years back and now I can’t access it until I pay the annual subscription?? I’ve bought the book, I don’t care about the updates, I should be able to access it without any subscription.

Developer Response ,

If you purchased the book prior to the subscription format, you can regain access to that book by using the "Restore Purchase" button. If it doesn't work, please send us a support email using the tab in the app.

alsaiedym ,

Updated review..

I had initially written a review regarding the pricing increase. I was wrong, the price has not changed! In terms of the content, it is great, very organized and up to date.

Developer Response ,

Hi; The subscription has always been $25/year. We are not in the business of deceiving our clients. As a side note, Apple would never let a developer raise the price of a subscription without the client's consent.

App Privacy

The developer, Les Éditions Formed inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Purchases
  • Contact Info
  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Search History
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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