PHARMACOKINETICS
Pharmacokinetics: Greek word, Pharmacon means: drug, kinein means: to move. The study of drug absorption, distribution, Biotransformation and elimination is called Pharmacokinetics. PHARMACOKINETICS 1.Drug administration (various routes) 2.Drug absorption (input) (from the site of administration) 3Distribution of drug (Plasma = Tissue) (Bioavailability, Plasma ½ life) 4.Biotransformation 5Drug elimination. DRUG ADMINISTRATION: A) For treatment/cure: e.g. ★ Antibiotics for infections (bacterial) ★Antipyretics for pyrexia (fever). ★Diuretics for oedema B) For symptomatic relief: e.g. ★Propranolol for cardiac arrhythmia ★Analgesics for pain. ★Sedatives for pain. ★ Salbutamol for bronchial asthma. ★Insulin for diabetes. ★Anti-hypertensive drug for hypertension. ★Anticoagulant drugs for blood disorders. C) For prophylactic (preventive) use: e.g. ★ Primaquine for malaria. ★Contraceptives for contraception. D) For diagnosis: e.g. ★Barium sulphate for peptic ul...