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University of Phoenix NSG 507 Social Justice and Information Systems for Population Health - Week 1 Pharamcodynamics and Pharamcokinetics

Understanding Pharmacokinetics and Pharmacodynamics

Pharmacology is the study of the methods by which drugs interact with the frame. It is significantly divided into two number one areas: pharmacokinetics and pharmacodynamics. This paper discusses those two necessities, highlighting their variations and imparting examples to demonstrate their consequences inside the body.

Differences between Pharmacodynamics and Pharmacokinetics

Pharmacokinetics focuses on the movement of drugs within the body which includes absorption, distribution, metabolism, and excretion. In regard to evaluation, pharmacodynamics focuses on the body’s response to a medication and the effects the medication produces after being administered.

Explaining Pharmacodynamics and Pharmacokinetics

Pharmacodynamics and pharmacokinetics clearly deal with the clinical effects of drug action as a single process. More specifically, pharmacokinetics, often defined as “what happens to the drug in the body,” describes the processes of the drug within the body. ‘Typically, pharmacodynamics is appositively defined as “what the body does to the drug”. It focuses on the effects of the drug on the body, especially on the biochemical and physiological changes that it produces.

Managing Heroin Addiction with Methadone

For example, an affected individual admitted to a rehabilitation centre to overcome heroin dependency was as soon as quickly as prescribed methadone. The nurse administering the methadone determined the affected man or woman’s physiological and behavioural responses. Heroin’s rapid onset and brief duration inside the brain created a cycle of euphoria, crash, and craving, a feature of dependency.

With the helpful resource of administering methadone two instances every day, the nurse carried out a gradual onset of motion and sturdy drug degrees within the Genius, reducing the affected individual’s desire for heroin and suppressing its euphoric effects. Over time, the affected person’s physiological and behavioural abnormalities subsided, showcasing the characteristics of pharmacodynamics.

Pharmacokinetics of Heroin and Methadone

In terms of pharmacokinetics, when the affected person injects heroin, it suddenly enters the bloodstream, developing a right-away rush observed via a crash. With methadone treatment, taken orally at 60 mg as quickly as a day, the drug was once as soon as once absorbed through the gastrointestinal tool, allotted through enzymes, metabolized through the liver, and eliminated via the urine. This slower approach provided a strong recuperation impact, supporting the affected individual’s recovery.

References

Ideas of Pharmacokinetics with the valuable resource of Mark J. Ratain MD and William adequate. Plunkett, Jr. PhD. Retrieved from http://www.ncbi.nlm.nih.gov/books/NBK12815

 

 

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