Pharmacology is the study of drugs and their effects on the human body. It encompasses the origins,
properties, and interactions of drugs with biological systems. Key areas include pharmacokinetics (how
the body affects a drug) and pharmacodynamics (how the drug affects the body).
Common Drug Classifications
1.Analgesics
Purpose: Relieve pain.
Examples: Acetaminophen, ibuprofen, morphine.
Mechanism of Action: Inhibit pain signals or reduce inflammation.
2. Antibiotics
Purpose: Treat bacterial infections.
Examples: Amoxicillin, ciprofloxacin, azithromycin.
Mechanism of Action: Inhibit bacterial cell wall synthesis, protein synthesis, or DNA replication.
3. Antihypertensives
Purpose: Lower blood pressure.
Examples: Lisinopril, amlodipine, losartan.
Mechanism of Action: Relax blood vessels, reduce heart workload, or decrease blood volume.