​”A Systematic Treatise on Materia Medica and Therapeutics” by Finley Ellingwood, published in 1898, is a comprehensive work that delves into the properties and therapeutic applications of medicinal substances. Spanning 714 pages, this treatise reflects the medical knowledge and practices of its time, emphasizing the direct actions of drugs on the human body. Ellingwood’s approach is methodical, aiming to provide a clear understanding of how various substances can be utilized in medical treatment.​

The book is structured to offer detailed descriptions of numerous medicinal agents, discussing their origins, chemical compositions, physiological effects, and therapeutic uses. Ellingwood places significant emphasis on the importance of understanding the direct action of drugs, advocating for a more precise and individualized approach to treatment. This perspective was particularly progressive for the era, as it moved away from generalized treatments and towards more specific, evidence-based applications.​

In addition to the pharmacological details, Ellingwood integrates discussions on the principles of therapeutics, offering insights into the rationale behind drug selection and administration. He underscores the necessity of considering the patient’s unique physiological and pathological conditions when determining treatment plans. This holistic view aligns with the broader trends in medicine during the late 19th century, which began to recognize the complexity of human health and the need for tailored medical interventions.​

Ellingwood’s treatise serves as both a reference for practicing physicians and a textbook for medical students of the time. Its comprehensive nature and systematic organization make it a valuable resource for understanding the historical context of materia medica and therapeutics. While some of the content may be outdated by modern standards, the book remains a testament to the evolving nature of medical science and the enduring quest to improve patient care through a deeper understanding of medicinal substances.