Question
Enumerate the Merits and Demerits of selective Cox-2 Inhibitors
Q11 4 marks Short Answers ★ ✓
Answer
Selective COX-2 inhibitors (Celecoxib, Etoricoxib) spare COX-1 while inhibiting COX-2, the isoform predominantly responsible for inflammatory prostaglandin synthesis.
Merits : substantially reduced GI ulceration/bleeding risk compared to non-selective NSAIDs (COX-1 mediates the protective gastric mucosal prostaglandins that non-selective NSAIDs also block); no effect on platelet thromboxane A2 synthesis (COX-1-mediated), so no antiplatelet effect/bleeding tendency; comparable anti-inflammatory and analgesic efficacy to non-selective NSAIDs.
Demerits : increased cardiovascular (thrombotic) risk with prolonged use — unopposed COX-1-mediated platelet thromboxane A2 production without the counterbalancing COX-2-mediated endothelial prostacyclin, tipping the balance toward thrombosis; still carries renal adverse effects common to the NSAID class (both COX isoforms contribute to renal prostaglandin function); higher cost than conventional NSAIDs; some GI risk still present, just reduced rather than eliminated.
1 Autacoids
Other Years Asked
1 A 65-year-old lady presented with pain in both knees more on the left side. The pain is
worsened by walking or standing for some time. X-Ray of knee shows narrowing of joint
space, mild effusion and osteophytic projections. A diagnosis of Osteoarthritis of knee is
made. She gave past history of ischemic heart disease a year back which was treated
by angioplasty and a stent was placed.
( 2024 March (Supplementary) (2019 Scheme) Essay · 15 marks 2 Enumerate drugs used in Peptic ulcer. Add a note on Prokinetic agents. (4+4) 2022 July (Supplementary) (2019 Scheme) Short Essay · 8 marks 3 ( 2024 June (Supplementary) (2019 Scheme) Short Essay · 8 marks 4 ( 2023 January (Supplementary) (2019 Scheme) Short Essay · 8 marks 5 Classify drugs used in Bronchial asthma. Discuss the management of Status
Asthmaticus. (4+4)
(PTO) 2022 July (Supplementary) (2019 Scheme) Short Essay · 8 marks 6 Aspirin. 2023 July (Supplementary) (2019 Scheme) Short Essay · 8 marks 7 Enumerate four groups of non-steroidal anti-inflammatory drugs with the example each.
Describe the pharmacological actions, adverse effects and therapeutic uses of any one of
them. (2+2+1+1=6) 2015 February (2010 Scheme) Essay · 6 marks 8 Classify non-steroidal anti inflammatory drugs. List the uses of NSAIDs. Mention four
differences between aspirin and celicoxib. (2+2+2=6) 2013 September (Supplementary) (2010 Scheme) Essay · 6 marks 9 Selective COX-2 inhibitors (merits and demerits). 2022 July (Supplementary) (2019 Scheme) Short Answer · 4 marks 10 Therapeutic uses of Anti-histamines. 2023 July (Supplementary) (2019 Scheme) Short Answer · 4 marks 11 Mention four prostaglandin analogs and their respective clinical indications. 2024 December (Supplementary) (2019 Scheme) Short Answer · 4 marks 12 Treatment of Acute attack of gout 2022 July (Supplementary) (2019 Scheme) Short Answer · 4 marks 13 Pharmacological basis of drugs used in treatment of Acute Migraine 2022 February (2019 Scheme) Short Answer · 4 marks 14 Sumatriptan. 2024 March (Supplementary) (2019 Scheme) Short Answer · 4 marks 15 Drugs used in migraine prophylaxis. 2024 June (Supplementary) (2019 Scheme) Short Answer · 4 marks 16 Therapeutic uses of Prostaglandins. 2025 March (Supplementary) (2010 Scheme) Short Note · 3 marks 17 Prophylaxis of migraine 2018 July (Supplementary) (2010 Scheme) Short Note · 3 marks 18 Second generation antihistamines 2015 September (Supplementary) (2010 Scheme) Short Note · 3 marks 19 Second generation H1 antihistaminic drugs 2022 May (Supplementary) (2010 Scheme) Short Note · 3 marks 20 Prophylaxis of migraine 2021 February (Supplementary) (2010 Scheme) Short Note · 3 marks 21 Drug therapy of migraine prophylaxis 2020 February (Supplementary) (2010 Scheme) Short Note · 3 marks 22 Cetirizine 2019 February (2010 Scheme) Short Note · 3 marks 23 Mast cell stabilizers. 2025 March (Supplementary) (2010 Scheme) Short Note · 3 marks 24 Uses of prostaglandins 2018 July (Supplementary) (2010 Scheme) Short Note · 3 marks 25 Clinical uses of prostaglandins 2021 December (Supplementary) (2010 Scheme) Short Note · 3 marks 26 Sumatriptan 2024 March (Supplementary) (2010 Scheme) Short Note · 3 marks 27 Sumatriptan 2018 February (2010 Scheme) Short Note · 3 marks 28 Histamine releasers 2018 February (2010 Scheme) Short Answer · 1 mark 29 H1 receptor blockers 2017 August (Supplementary) (2010 Scheme) Short Answer · 1 mark 30 Mention two selective Cox-2 inhibitors. 2017 August (Supplementary) (2010 Scheme) Short Answer · 1 mark 31 Anti emetics 2017 February (2010 Scheme) Short Answer · 1 mark 32 Clinical uses of prostaglandins 2013 April (2010 Scheme) Short Answer · 1 mark 33 Misoprostol in the treatment of Aspirin induced gastritis 2024 March (Supplementary) (2010 Scheme) Short Answer · 1 mark 34 Migraine. 2016 February (2010 Scheme) Short Answer · 1 mark 35 Mechanism of action of ondansetron 2018 July (Supplementary) (2010 Scheme) Short Answer · 1 mark 36 Mast cell stabilizers 2013 April (2010 Scheme) Short Answer · 1 mark 37 Anti emetics 2016 October (Supplementary) (2010 Scheme) Short Answer · 1 mark 38 Rationale of using low dose aspirin in post myocardial infarction. 2018 February (2010 Scheme) Short Answer · 1 mark 39 Non sedative antihistamines 2014 March (2010 Scheme) Short Answer · 1 mark 40 Triptans 2017 February (2010 Scheme) Short Answer · 1 mark 41 Treatment of migraine. 2014 September (Supplementary) (2010 Scheme) Short Answer · 1 mark 42 Non sedative antihistamines 2013 September (Supplementary) (2010 Scheme) Short Answer · 1 mark 43 The treatment of migraine. 2015 February (2010 Scheme) Short Answer · 1 mark 44 Mast cell stabilizers 2023 July (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 45 Triptans 2024 August (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 46 Selective COX-2 inhibitors. 2025 August (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 47 Non-Steroidal Anti Inflammatory Drugs (NSAIDs) 2024 March (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 48 Triptans 2023 March (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 49 Ondansetron in the treatment of Chemotherapy induced vomiting 2025 August (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 50 Selective cyclooxygenase – 2 (COX-2) inhibitors 2021 December (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 51 Cyclo-oxygenase inhibitor 2023 July (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 52 Prostaglandin analogues 2022 October (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 53 H2 Antihistamines 2021 February (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 54 Mast cell stabilizers 2021 February (Supplementary) (2010 Scheme) Short Answer · 0.3 marks 55 Prostaglandin analogues. 2023 July (Supplementary) (2019 Scheme) Short Answer · 0.2 marks 56 Prostaglandin analogues. 2022 July (Supplementary) (2019 Scheme) Short Answer · 0.2 marks 57 Domperidone in chemotherapy induced emesis. 2023 January (Supplementary) (2019 Scheme) Short Answer · 0.2 marks