DrHanisah'sNotes

1. MECHANISM OF DRUG ACTION
INTRODUCTION AND IMPORTANCE
NUR HANISAH BINTI ZAINOREN
SERIAL NO.55

2. INTRODUCTION
• Mechanism of drug action= Pharmacodynamics
• Study of the biochemical and physiological
effects of drugs and their mode of action.
• Covers all aspects relating to “what a drug does
to the body”

3. Relationship
between
Plasma
concentration of
the drug
Its response
Duration of
action
Adverse effect

4. WHY BE CONCERNED ABOUT
HOW DRUGS WORK?
•The patient has more respect and
trust in a therapist who can convey to
the patient how the drug is affecting
the patient’s body.
•A patient who understands his/her
therapy is more inclined to become an
active participant in the management
of the patient’s disease.
AIDS PATIENT-DOCTOR RELATIONSHIP:#1

5. • Interactions with Other Drugs
• Adverse Effects and Contraindications
AIDS MEMORIZATION OF:
WHY BE CONCERNED ABOUT
HOW DRUGS WORK?
#2

6. WHY BE CONCERNED ABOUT
HOW DRUGS WORK?
Knowledge of how a drug works increases the therapist’s
confidence that the drug is being used appropriately.
PEACE OF MIND!#3

7. References
• http://www.ashp.org/DocLibrary/Bookstore/P
2418-Chapter1.aspx
• HL Sharma, Principles of Pharmacology, 2nd
Edition, Paras Medical Publisher, 2011.

8. THANK YOU