Saturday, April 4, 2020

Basic Concept And Introduction Of Pharmacology


        Basic Concept And Introduction Of  Pharmacology

pharmacology is basically derived from the two words.
PHARMA = DRUG
COLOGY = STUDY
 definition  : Pharmacology is the study of drugs and their effects on life processes.



             Pharmacokinetics
•Is the study of ADME.
•What does the body does with drug.
               Pharmacodynamics

•is the study of the actions of drugs on target organ
•The study of mechanism of action
                Pharmacotherapeutics
Pharmacotherapeutics is the 
medical science concerned with the use of drugs in the treatment of disease.
 Clinical pharmacology
is the study of drugs in human patients •

 Toxicology
is the study of harmful rather than therapeutic effects

Pharmacy
involves manufacture, preparation, and dispensing of drugs.

POSOLOGY :
The study of dose calculation

                  Drug

•A chemical agent which used for
•Diagnosis
•Treatment
•Mitigation.
•And prevention of diseases is known as drug

Pharmacoepidemiology investigates the effects of drugs on populations
•• Pharmacoeconomics examines the cost-effectiveness of drug treatments
•• Pharmacogenetics and pharmacogenomics study the influence of genetic variation on pharmacodynamic and pharmacokinetic properties of drugs

                                                   DRUG SOURCES
•Natural Sources of Drugs
•• Plants= alkaloids •
•Microbes= antibiotics
•• Animal tissues= hormones
• • Minerals= lithium compounds
•
•Synthetic drugs
•Synthesized from naturally occurring drugs


                                                          Routes of administration

 •Enteral Administration
• • Sublingual , • Buccal • Oral • Rectal routes
•
•Parenteral Administration
• • Intravenous • Intramuscular • Subcutaneous
•Transdermal Administration
• Inhalational Administration
•Topical Administration

                                                Drug names

•Chemical name
• Generic name
• Brand name
                                                     Dosage Form

•Specified shaped of a drug.

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