What does "pharmac/o" stand for in medical terminology?

The term "pharmac/o" is derived from the Greek word "pharmakon," which translates to "drug" or "medicine." In medical terminology, this root is commonly used in words related to medications, therapies, and the study of drugs (pharmacology). For instance, words like "pharmacotherapy" (the treatment of disease through the administration of drugs) and "pharmacodynamics" (the study of the effects of drugs on the body) illustrate the application of this root in the healthcare field. Understanding this root can help clarify the discussions surrounding medication and treatment options in various medical contexts.