Medication is an important factor in life whether it be taken for illness to keeping individuals healthy. Throughout the United States students who study pharmacology normally attend universities in which they then continue on studying to be physicians and graduate-level students in the biomedical sciences. Pharmacological therapy mainly focuses on how the human body affects individual drugs, how drugs affect the body, and how drugs interact with each other. With this knowledge it will help physicians to use medications to keep patients today healthy. Pharmacology is “the science of drugs including their origin, composition, pharmacokinetics, therapeutic use, and toxicology. Pharmacologic therapy is medical care that involves the use of medications, either by itself or in mixture with other types of therapy. There are thousands of prescription and over-the-counter medications available in the United States. Pharmacological therapy focuses on which types of medications are suitable in different situations. Some medications may be taken orally once, twice, three times, or more per day. The person prescribing the pharmacological therapy must understand how these factors and others will affect the patient’s health. Pharmacological therapy is used for many types of situations such as osteoarthritis, depression, smoking, drug addiction and many other life situations. Because alcohol and other drug addiction is very popular and known in the United States I will discuss how Pharmacological Therapy takes place on this topic. Alcohol and other drug addiction is