MECHANISM OF DRUG ACTION INTRODUCTION AND IMPORTANCE

NUR HANISAH BINTI ZAINOREN

SERIAL NO.55

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”

Relationship between

Plasma concentration of

the drug

Its response

Duration of action

Adverse effect

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

• Interactions with Other Drugs

• Adverse Effects and Contraindications

AIDS MEMORIZATION OF:

WHY BE CONCERNED ABOUT HOW DRUGS WORK?

#2

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

References

• http://www.ashp.org/DocLibrary/Bookstore/P2418-Chapter1.aspx

• HL Sharma, Principles of Pharmacology, 2nd

Edition, Paras Medical Publisher, 2011.

THANK YOU