
17/06/2025
LET'S TALK ABOUT DICLOFENAC AND PARACETAMOL
1. Diclofenac
Class: Nonsteroidal Anti-inflammatory Drug (NSAID)
Mechanism of Action: Inhibits cyclooxygenase (COX-1 and COX-2) enzymes, reducing prostaglandin synthesis → decreases inflammation, pain, and fever.
Indications:
Musculoskeletal pain
Arthritis (e.g., osteoarthritis, rheumatoid arthritis)
Post-operative pain
Forms: Tablets, injection, topical gel, suppositories
Side Effects:
Gastric irritation or ulcers
Renal impairment
Increased cardiovascular risk (with long-term use)
Caution: Avoid in peptic ulcer disease, kidney dysfunction, or heart disease.
2. Paracetamol (Acetaminophen)
Class: Analgesic and Antipyretic
Mechanism of Action: Inhibits prostaglandin synthesis mainly in the central nervous system, leading to pain relief and fever reduction.
Indications:
Headache
Fever
Mild to moderate pain (e.g., toothache, backache)
Forms: Tablets, syrup, suppositories, injection
Side Effects:
Generally safe at recommended doses
Hepatotoxicity (liver damage) in overdose
Caution: Use with care in liver disease; avoid alcohol during treatment.