The Sick Man’s Friend by Peter Elkins, first published in 1836, is a comprehensive guide to herbal medicine aimed at providing accessible healthcare solutions for families and individuals. The book is structured into four parts, each focusing on different aspects of medical care using botanical principles. Elkins emphasizes the use of vegetable or botanical remedies, making it a practical resource for those seeking natural alternatives to conventional medicine.​

The first part of the book delves into the general principles of herbal medicine, discussing the importance of understanding the properties of various plants and their applications in treating common ailments. Elkins provides detailed descriptions of numerous herbs, their medicinal uses, and preparation methods, aiming to empower readers with the knowledge to manage their health using natural resources.​

In the subsequent sections, Elkins categorizes diseases and disorders, offering specific herbal treatments for each. He addresses a wide range of conditions, from digestive issues to respiratory problems, and provides guidance on the appropriate herbs to use, dosages, and preparation techniques. This approach not only educates readers about the healing properties of plants but also encourages a holistic view of health and wellness.​

Elkins maintains a straightforward and practical tone, avoiding complex medical jargon to ensure that the information is accessible to a broad audience. His work reflects a time when herbal medicine was a primary form of healthcare, offering insights into historical practices and the enduring value of botanical remedies. The Sick Man’s Friend serves as both a historical document and a practical manual, bridging the gap between traditional healing methods and modern health consciousness.