# Harrison’s Internal Med. 21/E — McGraw-Hill Education

> Authoritative clinical medicine text for diagnosis, treatment, and patient care. (iPhone/iPad app by McGraw-Hill.)

- Source: https://appshunter.io/ios/app/harrisons-internal-med-21e/id1636127469 (this page in markdown: same URL + `.md`)
- Developer: [McGraw-Hill](https://appshunter.io/developer/325792150)
- Category: Medical, Books
- Price: $249.99
- Age rating: 17+
- Requires: iOS 10.0 · 965 MB
- Languages: American English
- Released: 2022-07-28
- Data updated: 2026-09-12
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/harrisons-internal-med-21e/id1636127469/reviews.md

## What is Harrison’s Internal Med. 21/E?

The Voice of Clinical Reason

Harrison’s Principles of Internal Medicine is the world's most trusted clinical medicine text―and a superb resource for learning the art and science of clinical reasoning. Recognized by healthcare professionals worldwide as the leading authority on applied pathophysiology and clinical medicine, Harrison’s Principles of Internal Medicine provides the informational foundation you need for the best patient care possible. This new edition is fully updated with timely new chapters and essential updates across the spectrum of internal medicine. Written and edited by the world’s top experts in their respective fields, this landmark guide provides comprehensive, accurate, and essential coverage of the pathogenesis, diagnosis, and treatment of disease. 

Harrison’s is world-renowned as the most authoritative source for: 

• Clear, concise schemas that facilitate the generation of differential diagnoses to reason efficiently through complex real world clinical cases
• The physiologic and etiologic basis of signs and symptoms, which are covered through a wealth of unsurpassed expert guidance and linked to the disease-specific chapters that follow
• Updated clinical trial results and recommended guidelines
• Excellent and extensive visual support, including radiographs, clinical photos, schematics, and high-quality drawings
• Coverage of both therapeutic approaches and specific treatment regimens
• Practical clinical decision trees and algorithms
• Organ/system-specific sections, with clinically relevant pathophysiology and practical clinical advice on the approach to the patient, strategies towards building a differential diagnosis, outstanding clinical algorithms and diagnostic schema, a wealth of clinical images and diagrams, current clinical guidelines, and general and specific approaches to therapy

Harrison’s remains the most trusted resource in a world influenced by endless sources of medical information. The most timely and comprehensive updates from the world’s top experts are featured in the 21st edition: 

• Current coverage of the diagnosis and treatment of diseases, from COVID to dementia to sepsis to multiple sclerosis to lung cancer
• Updated content that reflects new approved therapeutics and new practice-changing guidelines and evidence summaries
• More than 1000 clinical, pathological, and radiographic photographs, diagnostic and therapeutic decision trees, and clear schematics and diagrams describing pathophysiologic processes
• Numerous atlases featuring curated collections of important visual aspects of diagnosis and management
• Updated and time-saving curation and synthesis of established and new medical literature and studies
• Clinically relevant coverage of disease mechanics and pathophysiology, and related therapeutic mechanisms

This app is easy to navigate, allowing you to browse the contents or search for keywords and phrases. The search tool will find text, images, tables and videos with one single fast search. The search tool shows you suggested words as you type so it is quick and helps with spelling issues. You can also creating bookmarks, notes, highlights, and change the text size for easier reading.

Developed by Usatine Media

## Key features

- Clinical reasoning and pathophysiology
- Diagnosis and treatment of diseases
- Updated clinical trial results and guidelines
- Extensive visual support (photos, schematics)
- Differential diagnosis schemas
- Clinical decision trees and algorithms
- Searchable content

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/harrisons-internal-med-21e/id1636127469/reviews.md

### 4/5 — next edition

*2025-12-15*

when can I get 22nd editon?

### 1/5 — No synchronisation between multiple device

*2023-07-26*

1. No synchronisation of highlight between multiple device
2. After uninstalling app all highlight will be lost.
3. Not available on macbook

### 5/5 — Split screen view

*2023-06-01*

Please allow split screen view for the app

## Frequently asked questions about Harrison’s Internal Med. 21/E

### What is Harrison's Internal Medicine?

Harrison's Internal Medicine is a leading clinical medicine text recognized for its authority on applied pathophysiology and clinical reasoning. It provides comprehensive information for patient care, covering disease pathogenesis, diagnosis, and treatment.

### What kind of content does Harrison's Internal Medicine offer?

It offers clear schemas for differential diagnoses, the physiologic basis of signs and symptoms, updated clinical trial results, extensive visual support, therapeutic approaches, and practical clinical decision trees.

### Is Harrison's Internal Medicine updated regularly?

Yes, the 21st edition features timely updates on disease diagnosis and treatment, new therapeutics, and practice-changing guidelines. The app was last updated on April 6, 2024.

### What diseases are covered in Harrison's Internal Medicine?

The content includes current coverage of diseases such as COVID, dementia, sepsis, multiple sclerosis, and lung cancer, reflecting new approved therapeutics and practice-changing guidelines.

### What devices is Harrison's Internal Medicine available on?

Harrison's Internal Medicine is available on iPhone, iPad, and iPod, indicated by its supported devices.

### What is the price of Harrison's Internal Medicine?

Harrison's Internal Medicine is priced at $249.99, reflecting its comprehensive nature as a medical reference.

### What is the age rating for Harrison's Internal Medicine?

The app has an age rating of 17+, suggesting it is intended for mature audiences due to the complexity of medical information.

### Does Harrison's Internal Medicine have ads?

No, Harrison's Internal Medicine does not contain advertisements, as indicated by the 'hasAds' flag being false.

## Version history (last 3 releases)

### 1.2 — 2024-04-06

Updated color of navigation bars

### 1.1 — 2022-10-23

Updated logos on app icon.

### 1.0 — 2022-07-28

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-12.*