Pharmacology-I
Course code PMS-614
By Dr. Junaid Athar
Chapter No. 1
Institute of paramedical sciences,
Khyber Medical University Peshawar
, Introduction to Pharmacology
Def: Study of substances that interact with living system through chemica
especially by binding to regulatory molecules and activating or inhibitin
body process.
• Pharmacology is derived from two words; Pharmacon means drugs or
and logos means study
• It has two devisions as follows
• Pharmacokinetics: it means the movement of drugs in the body (ab
distribution, biotransformation, and excretion).
• Pharmacodynamics: The mechanism by which the drug exerts its e
example, how aspirin work as analgesic.
, Basic definitions
Drug means any chemical substance which exerts a physiological effect on
Medicine, means any drug substance used to prevent, treat, cure, or d
disease in proper dose. All medicines are drugs, not all drugs are medicines.
Therapeutics: the branch of medicine that deals with the treatment an
diseases
Toxicology: Toxicology is the study of the harmful effects of chem
biological substances on human health
Adverse reaction : A response to a drug which is noxious and unintended
Dose means the amount of medicine taken by a patient
Dosage form means the physical form of the medicines (solids, liquids,
Course code PMS-614
By Dr. Junaid Athar
Chapter No. 1
Institute of paramedical sciences,
Khyber Medical University Peshawar
, Introduction to Pharmacology
Def: Study of substances that interact with living system through chemica
especially by binding to regulatory molecules and activating or inhibitin
body process.
• Pharmacology is derived from two words; Pharmacon means drugs or
and logos means study
• It has two devisions as follows
• Pharmacokinetics: it means the movement of drugs in the body (ab
distribution, biotransformation, and excretion).
• Pharmacodynamics: The mechanism by which the drug exerts its e
example, how aspirin work as analgesic.
, Basic definitions
Drug means any chemical substance which exerts a physiological effect on
Medicine, means any drug substance used to prevent, treat, cure, or d
disease in proper dose. All medicines are drugs, not all drugs are medicines.
Therapeutics: the branch of medicine that deals with the treatment an
diseases
Toxicology: Toxicology is the study of the harmful effects of chem
biological substances on human health
Adverse reaction : A response to a drug which is noxious and unintended
Dose means the amount of medicine taken by a patient
Dosage form means the physical form of the medicines (solids, liquids,
