Anti-Gout and Antirheumatic Drugs, DMARDs

Anti-gout and antirheumatic drugs play an important role in the management of inflammatory joint disorders, helping to relieve pain, reduce inflammation, prevent disease progression, and improve patients’ quality of life. Gout and rheumatoid arthritis are two important conditions requiring different pharmacological approaches.

Gout is an inflammatory arthritis caused by the deposition of monosodium urate crystals in joints due to elevated uric acid levels. Drugs used in gout are broadly classified into anti-inflammatory agents and urate-lowering drugs. NSAIDs, colchicine, and corticosteroids are commonly used to control acute gout attacks. Allopurinol and febuxostat reduce uric acid production by inhibiting xanthine oxidase, whereas probenecid increases uric acid excretion through the kidneys. Pegloticase is used in selected patients with severe, refractory chronic gout.

Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by persistent inflammation of synovial joints, which may lead to cartilage destruction, bone erosion, and disability. Its treatment includes NSAIDs and corticosteroids for symptomatic relief, along with disease-modifying antirheumatic drugs (DMARDs) to control the underlying disease process and prevent joint damage.

DMARDs are classified into conventional synthetic DMARDs, biologic DMARDs, and targeted synthetic DMARDs. Methotrexate, sulfasalazine, hydroxychloroquine, and leflunomide are conventional synthetic DMARDs. Biologic agents, such as adalimumab, etanercept, rituximab, and tocilizumab, target specific components of the immune system. Targeted synthetic DMARDs, including tofacitinib, inhibit intracellular signalling pathways involved in inflammation.

Understanding the classification, mechanisms of action, therapeutic uses, adverse effects, contraindications, and drug interactions of these medicines is essential for safe and effective pharmacotherapy. These topics are also highly relevant to pharmacy competitive examinations, including GPAT, NIPER, UPSC Drug Inspector, AIIMS Pharmacist, Railway Pharmacist, ESIC, and State Pharmacist examinations.

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