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Research article:

Examining variations in prescribing safety in UK general practice: a cross-sectional study using the Clinical Practice Research Datalink

Reference:

S Jill Stocks, Evangelos Kontopantelis, Artur Akbarov, Sarah Rodger, Anthony J Avery, Darren M Ashcroft(2015) Examining variations in prescribing safety in UK general practice: a cross-sectional study using the Clinical Practice Research Datalink. BMJ, doi: 10.1136/bmj.h5501

Link to fulltext article
Abstract
Study question What is the prevalence of different types of potentially hazardous prescribing in general practice in the United Kingdom, and what is the variation between practices? Methods A cross sectional study included all adult patients potentially at risk of a prescribing or monitoring error defined by a combination of diagnoses and prescriptions in 526 general practices contributing to the Clinical Practice Research Datalink (CPRD) up to 1 April 2013. Primary outcomes were the prevalence of potentially hazardous prescriptions of anticoagulants, anti-platelets, NSAIDs, β blockers, glitazones, metformin, digoxin, antipsychotics, combined hormonal contraceptives, and oestrogens and monitoring by blood test less frequently than recommended for patients with repeated prescriptions of angiotensin converting enzyme inhibitors and loop diuretics, amiodarone, methotrexate, lithium, or warfarin. Study answer and limitations 49 927 of 949 552 patients at risk triggered at least one prescribing indicator (5.26%, 95% confidence interval 5.21% to 5.30%) and 21 501 of 182 721 (11.8%, 11.6% to 11.9%) triggered at least one monitoring indicator. The prevalence of different types of potentially hazardous prescribing ranged from almost zero to 10.2%, and for inadequate monitoring ranged from 10.4% to 41.9%. Older patients and those prescribed multiple repeat medications had significantly higher risks of triggering a prescribing indicator whereas younger patients with fewer repeat prescriptions had significantly higher risk of triggering a monitoring indicator. There was high variation between practices for some indicators.Though prescribing safety indicators describe prescribing patterns that can increase the risk of harm to the patient and should generally be avoided, there will always be exceptions where the indicator is clinically justified. Furthermore there is the possibility that some information is not captured by CPRD for some practices—for example, INR results in patients receiving warfarin. What this study adds The high prevalence for certain indicators emphasises existing prescribing risks and the need for their appropriate consideration within primary care, particularly for older patients and those taking multiple medications. The high variation between practices indicates potential for improvement through targeted practice level intervention.
Author for correspondence
Jill Stocks
Email for correspondence
jill.stocks@manchester.ac.uk

Code list: res25: P3_P11_aspirin

219 codes in list

Code Coding system Description Entity type List name drugsubstance strength
10031 CPRD_product_code Aspirin 25mg with Dipyridamole 200mg modified-release capsules drug res25: P3_P11_aspirin Dipyridamole 25mg + 200mg
10305 CPRD_product_code Aspirin 162.5mg capsules drug res25: P3_P11_aspirin Aspirin 162.5mg
10310 CPRD_product_code Aspirin powder drug res25: P3_P11_aspirin Aspirin 1mg/1mg
1049 CPRD_product_code Nu-seals aspirin 600mg Tablet (Eli Lilly and Company Ltd) drug res25: P3_P11_aspirin Aspirin 600mg
11326 CPRD_product_code Meprobamate with ethoheptazine citrate and aspirin Tablet drug res25: P3_P11_aspirin Aspirin/ethoheptazine Citrate/meprobamate
1137 CPRD_product_code Nu-seals aspirin ec 300mg Gastro-resistant tablet (Eli Lilly and Company Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
11951 CPRD_product_code Original Phensic Aspirin tablets (Merck Consumer Health Products) drug res25: P3_P11_aspirin Aspirin/Caffeine 325mg + 22mg
11961 CPRD_product_code Veganin Tablet (Pfizer Consumer Healthcare Ltd) drug res25: P3_P11_aspirin Codeine Phosphate
11977 CPRD_product_code Aspro clear maximum strength tablets drug res25: P3_P11_aspirin Aspirin 500mg
12964 CPRD_product_code Aspirin 600mg / Caffeine 50mg oral powder sachets sugar free drug res25: P3_P11_aspirin Aspirin/Caffeine 600mg + 50mg
12992 CPRD_product_code Aspirin 500mg / Codeine 8mg dispersible tablets sugar free drug res25: P3_P11_aspirin Aspirin/Codeine phosphate 500mg + 8mg
13882 CPRD_product_code Imazin XL tablets (Napp Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Isosorbide mononitrate/Aspirin 60mg + 75mg
14517 CPRD_product_code Robaxisal forte Tablet (Shire Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin
15364 CPRD_product_code Aspirin 150mg suppositories drug res25: P3_P11_aspirin Aspirin 150mg
15367 CPRD_product_code Anadin Extra tablets (Pfizer Consumer Healthcare Ltd) drug res25: P3_P11_aspirin Paracetamol/Caffeine/Aspirin 200mg + 45mg + 300mg
15779 CPRD_product_code Codeine 8mg with aspirin 500mg soluble tablets drug res25: P3_P11_aspirin Codeine Phosphate 8mg + 500mg
16 CPRD_product_code Aspirin 75mg tablets drug res25: P3_P11_aspirin Aspirin 75mg
16184 CPRD_product_code Alka-seltzer Tablet (Bayer Plc) drug res25: P3_P11_aspirin Citric Acid
16611 CPRD_product_code Anadin Tablet (Wyeth Consumer Healthcare) drug res25: P3_P11_aspirin Aspirin/Caffeine 325mg + 15mg
17180 CPRD_product_code Metoclopramide with aspirin 5mg + 450mg Effervescent tablet drug res25: P3_P11_aspirin Metoclopramide Hydrochloride 5mg + 450mg
17456 CPRD_product_code Metoclopramide with lysine acetylsalicylate 10mg + 900mg Oral solution drug res25: P3_P11_aspirin Metoclopramide Hydrochloride 10mg + 900mg
17704 CPRD_product_code Platet 100mg Effervescent tablet (Roche Products Ltd) drug res25: P3_P11_aspirin Aspirin 100mg
17920 CPRD_product_code Disprin cv 100mg Modified-release tablet (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 100mg
17926 CPRD_product_code Aspirin 400mg with Codeine 8mg tablets drug res25: P3_P11_aspirin Codeine Phosphate 400mg + 8mg
18030 CPRD_product_code Imazin XL forte tablets (Napp Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin/Isosorbide mononitrate 150mg + 60mg
18217 CPRD_product_code Aspirin 300mg orodispersible tablets sugar free drug res25: P3_P11_aspirin Aspirin 300mg
18261 CPRD_product_code Aspirin 500mg with Papaveretum 7.71mg dispersible tablets drug res25: P3_P11_aspirin Aspirin 500mg + 7.71mg
18329 CPRD_product_code Enprin 75mg gastro-resistant tablets (Galpharm International Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
1902 CPRD_product_code Aspirn 600mg gastro-resistant tablets drug res25: P3_P11_aspirin Aspirin 600mg
19189 CPRD_product_code Micropirin 75mg Gastro-resistant tablet (Ratiopharm UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
19255 CPRD_product_code Paracetamol 200mg with aspirin 300mg & caffeine 45mg tablet drug res25: P3_P11_aspirin Caffeine 200mg + 300mg +45mg
20127 CPRD_product_code Codeine phosphate 8mg with aspirin 400mg with caffeine dispersible tablets drug res25: P3_P11_aspirin Codeine Phosphate 8mg+400mg
2047 CPRD_product_code Co-codaprin 8mg with 400mg tablets drug res25: P3_P11_aspirin Codeine Phosphate 8mg+400mg
20650 CPRD_product_code Aspirin 300mg / Paracetamol 200mg dispersible tablets sugar free drug res25: P3_P11_aspirin Aspirin/Paracetamol 300mg + 200mg
20840 CPRD_product_code Acetylsalicylic acid mix drug res25: P3_P11_aspirin Aspirin
2105 CPRD_product_code Solprin 300mg Tablet (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
21380 CPRD_product_code Aspirin 75mg / Isosorbide mononitrate 60mg modified-release tablets drug res25: P3_P11_aspirin Isosorbide mononitrate/Aspirin 60mg + 75mg
21382 CPRD_product_code Aspirin 150mg / Isosorbide mononitrate 60mg modified-release tablets drug res25: P3_P11_aspirin Aspirin/Isosorbide mononitrate 150mg + 60mg
21770 CPRD_product_code Paracetamol 200mg with aspirin 300mg dispersible tablet drug res25: P3_P11_aspirin Aspirin 200mg + 300mg
21921 CPRD_product_code Postmi ec 300mg Gastro-resistant tablet (Ashbourne Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
22138 CPRD_product_code Aspirin 324mg modified-release tablets drug res25: P3_P11_aspirin Aspirin 324mg
22232 CPRD_product_code Disprin Direct 300mg orodispersible tablets (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
22305 CPRD_product_code Disprin Extra dispersible tablets (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin/Paracetamol 300mg + 200mg
22618 CPRD_product_code Solprin 75mg Tablet (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
22776 CPRD_product_code Aspirin 500mg with Cyclizine 25mg effervescent tablets drug res25: P3_P11_aspirin Aspirin 500mg+25mg
23488 CPRD_product_code Claradin 300mg Tablet (Nicholas Laboratories Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
23593 CPRD_product_code PostMI 75 dispersible tablets (Ashbourne Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
23841 CPRD_product_code Safapryn Tablet (Pfizer Ltd) drug res25: P3_P11_aspirin Aspirin
23878 CPRD_product_code Nu-seals cardio ec 75mg Gastro-resistant tablet (Genus Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
23932 CPRD_product_code Aspro Clear 300mg effervescent tablets (Bayer Plc) drug res25: P3_P11_aspirin Aspirin 300mg
24025 CPRD_product_code Caprin 300mg gastro-resistant tablets (Pinewood Healthcare) drug res25: P3_P11_aspirin Aspirin 300mg
24309 CPRD_product_code Paracetamol 120mg with aspirin 165.3mg & caffeine 60mg powder drug res25: P3_P11_aspirin Caffeine 120mg + 165.3mg + 60mg
24622 CPRD_product_code Aspirin 325mg / Caffeine 22mg tablets drug res25: P3_P11_aspirin Aspirin/Caffeine 325mg + 22mg
24828 CPRD_product_code Hypon Tablet (Wellcome Medical Division) drug res25: P3_P11_aspirin Codeine Phosphate
24960 CPRD_product_code Aspirin 300mg tablets (Vantage) drug res25: P3_P11_aspirin Aspirin 300mg
25211 CPRD_product_code Anadin Original tablets (Pfizer Consumer Healthcare Ltd) drug res25: P3_P11_aspirin Aspirin/Caffeine 325mg + 15mg
25335 CPRD_product_code PostMI 75 EC tablets (Ashbourne Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
254 CPRD_product_code Aspirin 300mg tablets drug res25: P3_P11_aspirin Aspirin 300mg
25718 CPRD_product_code Angettes 75 tablets (Bristol-Myers Squibb Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
2607 CPRD_product_code Paynocil Tablet (Beecham Research Laboratories) drug res25: P3_P11_aspirin Aspirin
2628 CPRD_product_code Nu-seals aspirin ec 75mg Gastro-resistant tablet (Eli Lilly and Company Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
26967 CPRD_product_code Alka-Seltzer XS effervescent tablets (Bayer Plc) drug res25: P3_P11_aspirin Aspirin/Caffeine/Citric acid/Sodium bicarbonate/Paracetamol 267mg + 40mg + 954mg + 1.606gram + 133mg
27435 CPRD_product_code Paracetamol 200mg with aspirin 300mg & caffeine 45mg soluble tablet drug res25: P3_P11_aspirin Caffeine 200mg + 300mg +45mg
28784 CPRD_product_code Codeine phosphate 8mg with aspirin 400mg tablets drug res25: P3_P11_aspirin Codeine Phosphate 8mg+400mg
28810 CPRD_product_code Aspirin 300mg with Glycine 133mg soluble tablets drug res25: P3_P11_aspirin Aspirin 300mg + 133mg
29054 CPRD_product_code Methocarbamol with aspirin Tablet drug res25: P3_P11_aspirin Aspirin
29759 CPRD_product_code Aspro Tablet (Roche Consumer Health) drug res25: P3_P11_aspirin Aspirin
29848 CPRD_product_code Aspirin 300mg with Glycine 150mg chewable tablets drug res25: P3_P11_aspirin Aspirin 300mg + 150mg
2986 CPRD_product_code Co-codaprin 8mg/400mg dispersible tablets drug res25: P3_P11_aspirin Codeine phosphate/Aspirin 8mg + 400mg
3 CPRD_product_code Aspirin 75mg dispersible tablets drug res25: P3_P11_aspirin Aspirin 75mg
30022 CPRD_product_code Fynnon calcium aspirin 500mg Soluble tablet (SSL International Plc) drug res25: P3_P11_aspirin Calcium Carbonate 500mg
306 CPRD_product_code Aspirin with codeine phosphate and caffeine tablets drug res25: P3_P11_aspirin Codeine Phosphate
30920 CPRD_product_code Aspirin 300mg Dispersible tablet (M & A Pharmachem Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
31001 CPRD_product_code Cullens headache powders Sachets (Cullen and Davidson) drug res25: P3_P11_aspirin Aspirin/Caffeine 600mg + 50mg
31210 CPRD_product_code Aspirin 300mg Tablet (Co-operative) drug res25: P3_P11_aspirin Aspirin 300mg
31211 CPRD_product_code Aspirin 75mg Dispersible tablet (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
31499 CPRD_product_code Paracetamol with aspirin tablet drug res25: P3_P11_aspirin Aspirin
3155 CPRD_product_code Migravess 5mg+325mg Effervescent tablet (Bayer Plc) drug res25: P3_P11_aspirin Metoclopramide Hydrochloride 5mg+325mg
31858 CPRD_product_code Caspac xl 162.5mg Capsule (Pharmacia Ltd) drug res25: P3_P11_aspirin Aspirin 162.5mg
31870 CPRD_product_code Aspirin 320mg tablets drug res25: P3_P11_aspirin Aspirin 320mg
31894 CPRD_product_code Safapryn -Co Tablet (Pfizer Ltd) drug res25: P3_P11_aspirin Codeine Phosphate
31938 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Sandoz Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
31953 CPRD_product_code Aspirin 75mg dispersible tablets (IVAX Pharmaceuticals UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
31954 CPRD_product_code Aspirin 75mg dispersible tablets (Teva UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
31956 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Kent Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
32036 CPRD_product_code Aspirin 75mg dispersible tablets (Actavis UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
32154 CPRD_product_code Anadin Soluble tablet (Wyeth Consumer Healthcare) drug res25: P3_P11_aspirin Caffeine
32178 CPRD_product_code Paracetamol 133mg with aspirin 267mg & caffeine 40mg effervescent tablet drug res25: P3_P11_aspirin Caffeine 133mg + 267mg +40mg
32210 CPRD_product_code Aspirin 300mg dispersible tablets (Actavis UK Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
32314 CPRD_product_code Aspirin with aloxiprin and caffeine powder drug res25: P3_P11_aspirin Caffeine
32728 CPRD_product_code Askit oral powder sachets (Bayer Plc) drug res25: P3_P11_aspirin Aspirin/Aloxiprin/Caffeine citrate 530mg + 140mg + 110mg
32992 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Generics (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
3309 CPRD_product_code Aspirin 325mg / Caffeine 15mg tablets drug res25: P3_P11_aspirin Aspirin/Caffeine 325mg + 15mg
33139 CPRD_product_code Anadin maximum strength Capsule (Wyeth Consumer Healthcare) drug res25: P3_P11_aspirin Caffeine
33293 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Sterwin Medicines) drug res25: P3_P11_aspirin Aspirin 75mg
33317 CPRD_product_code Aspirin with Sodium bicarbonate with Citric acid effervescent tablets drug res25: P3_P11_aspirin Citric Acid
33320 CPRD_product_code Aspirin 75mg Dispersible tablet (Sovereign Medical Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
33656 CPRD_product_code Aspirin 75mg dispersible tablets (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
33662 CPRD_product_code Aspirin 300mg Dispersible tablet (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
33668 CPRD_product_code Aspirin 300mg Dispersible tablet (Rusco Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
33676 CPRD_product_code Aspirin 75mg dispersible tablets (Kent Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
3386 CPRD_product_code Migravess forte 5mg+450mg Effervescent tablet (Bayer Plc) drug res25: P3_P11_aspirin Metoclopramide Hydrochloride 5mg+450mg
34 CPRD_product_code Aspirin 75mg gastro-resistant tablets drug res25: P3_P11_aspirin Aspirin 75mg
34233 CPRD_product_code Aspirin with aloxiprin and caffeine capsules drug res25: P3_P11_aspirin Caffeine
34309 CPRD_product_code Aspirin 300mg dispersible tablets (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
34385 CPRD_product_code Aspirin 75mg Soluble tablet (Co-operative) drug res25: P3_P11_aspirin Aspirin 75mg
34386 CPRD_product_code Aspirin 300mg tablets (Actavis UK Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
34434 CPRD_product_code Aspirin 75mg dispersible tablets (Thornton & Ross Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
34485 CPRD_product_code Aspirin 75mg gastro-resistant tablets (IVAX Pharmaceuticals UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
34611 CPRD_product_code Aspirin 75mg gastro-resistant tablets (C P Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
34666 CPRD_product_code Aspirin ec 300mg Gastro-resistant tablet (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
34762 CPRD_product_code Aspirin 300mg Gastro-resistant tablet (Galen Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
34796 CPRD_product_code Aspirin 75mg Gastro-resistant tablet (Galen Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
34797 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Actavis UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
34942 CPRD_product_code Aspirin 75mg Dispersible tablet (Nucare Plc) drug res25: P3_P11_aspirin Aspirin 75mg
35967 CPRD_product_code Paramed Extra Power Pain Control tablets (Galpharm International Ltd) drug res25: P3_P11_aspirin Paracetamol/Caffeine/Aspirin 200mg + 45mg + 300mg
36521 CPRD_product_code Aspirin 500mg modified-release tablets drug res25: P3_P11_aspirin Aspirin 500mg
36543 CPRD_product_code Aspirin 100mg effervescent tablets drug res25: P3_P11_aspirin Aspirin 100mg
3726 CPRD_product_code Metoclopramide with aspirin 5mg + 325mg Effervescent tablet drug res25: P3_P11_aspirin Metoclopramide Hydrochloride 5mg + 325mg
37541 CPRD_product_code Aspirin 227mg medicated chewing-gum drug res25: P3_P11_aspirin Aspirin 227mg
377 CPRD_product_code Aspirin 300mg dispersible tablets drug res25: P3_P11_aspirin Aspirin 300mg
381 CPRD_product_code Anadin Tablet (Wyeth Consumer Healthcare) drug res25: P3_P11_aspirin Aspirin/Caffeine 325mg + 15mg
393 CPRD_product_code Disprin 300mg dispersible tablets (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
395 CPRD_product_code Aspirin mixture drug res25: P3_P11_aspirin Aspirin
39738 CPRD_product_code Aspirin 162.5mg modified-release capsules drug res25: P3_P11_aspirin Aspirin 162.5mg
40144 CPRD_product_code Aspirin 300mg Dispersible tablet (Thornton & Ross Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
40381 CPRD_product_code Aspirin 75mg Soluble tablet (C P Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
41512 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Teva UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
41569 CPRD_product_code Aspirin 300mg tablets (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
41594 CPRD_product_code Aspirin 300mg Dispersible tablet (Teva UK Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
41766 CPRD_product_code Maximum Strength Aspro Clear 500mg effervescent tablets (Bayer Plc) drug res25: P3_P11_aspirin Aspirin 500mg
42218 CPRD_product_code Co-codaprin 8mg/400mg dispersible tablets (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Codeine phosphate/Aspirin 8mg + 400mg
430 CPRD_product_code Aspirin 500mg / Caffeine 32mg capsules drug res25: P3_P11_aspirin Caffeine 500mg + 32mg
43060 CPRD_product_code Aspirin 300mg Soluble tablet (Celltech Pharma Europe Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
434 CPRD_product_code Aspirin 300mg gastro-resistant tablets drug res25: P3_P11_aspirin Aspirin 300mg
43434 CPRD_product_code Aspirin 300mg gastro-resistant tablets (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
43679 CPRD_product_code Flamasacard 162.5mg Modified-release capsule (Abbey Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 162.5mg
43709 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Almus Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
43806 CPRD_product_code Aspirin 300mg gastro-resistant tablets (Sandoz Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
44639 CPRD_product_code Aspirin 300mg Dispersible tablet (Nucare Plc) drug res25: P3_P11_aspirin Aspirin 300mg
45643 CPRD_product_code Aspirin 75mg Soluble tablet (Celltech Pharma Europe Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
45840 CPRD_product_code Aspirin 300mg Dispersible tablet (Numark Management Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
45851 CPRD_product_code Aspirin 300mg Soluble tablet (Ranbaxy (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
4679 CPRD_product_code Asasantin Retard capsules (Boehringer Ingelheim Ltd) drug res25: P3_P11_aspirin Dipyridamole/Aspirin 200mg + 25mg
46925 CPRD_product_code Co-codaprin 8mg/400mg dispersible tablets (Actavis UK Ltd) drug res25: P3_P11_aspirin Codeine phosphate/Aspirin 8mg + 400mg
47937 CPRD_product_code Aspirin 75mg dispersible tablets (Wockhardt UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
47992 CPRD_product_code Aspirin 75mg gastro-resistant tablets (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
48000 CPRD_product_code Aspirin 300mg tablets (Sigma Pharmaceuticals Plc) drug res25: P3_P11_aspirin Aspirin 300mg
48021 CPRD_product_code Aspirin 75mg Tablet (Hillcross Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
48165 CPRD_product_code Aspirin 300mg tablets (Aspar Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
484 CPRD_product_code Equagesic Tablet (Wyeth Pharmaceuticals) drug res25: P3_P11_aspirin Aspirin/ethoheptazine Citrate/meprobamate
48974 CPRD_product_code Aspirin 75mg tablets (Phoenix Healthcare Distribution Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
49060 CPRD_product_code Aspirin 75mg dispersible tablets (Alliance Healthcare (Distribution) Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
49220 CPRD_product_code Aspirin 300mg tablets (Kent Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
49685 CPRD_product_code Aspirin 75mg dispersible tablets (Sigma Pharmaceuticals Plc) drug res25: P3_P11_aspirin Aspirin 75mg
49799 CPRD_product_code Aspirin 150mg suppositories (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 150mg
50166 CPRD_product_code Generic Anadin Extra tablets drug res25: P3_P11_aspirin Paracetamol/Caffeine/Aspirin 200mg + 45mg + 300mg
50555 CPRD_product_code Aspirin 300mg dispersible tablets (DE Pharmaceuticals) drug res25: P3_P11_aspirin Aspirin 300mg
50926 CPRD_product_code Aspirin 75mg dispersible tablets (The Boots Company Plc) drug res25: P3_P11_aspirin Aspirin 75mg
50949 CPRD_product_code Aspirin 75mg tablets (A A H Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
51474 CPRD_product_code Aspirin 150mg suppositories (Martindale Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 150mg
51561 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Zanza Laboratories Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
52044 CPRD_product_code Aspirin 300mg caplets (The Boots Company Plc) drug res25: P3_P11_aspirin Aspirin 300mg
52280 CPRD_product_code Aspirin 300mg Tablet (Wockhardt UK Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
52618 CPRD_product_code Aspirin 75mg dispersible tablets (Bristol Laboratories Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
52856 CPRD_product_code Co-codaprin 8mg/400mg tablets drug res25: P3_P11_aspirin Aspirin/Codeine phosphate 400mg + 8mg
52905 CPRD_product_code Aspirin 300mg tablets (Lloyds Pharmacy Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
53178 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Wockhardt UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
53622 CPRD_product_code Aspirin 300mg Tablet (M & A Pharmachem Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
53711 CPRD_product_code Aspirin 300mg Tablet (Nucare Plc) drug res25: P3_P11_aspirin Aspirin 300mg
53791 CPRD_product_code Aspirin 150mg suppositories (Alliance Healthcare (Distribution) Ltd) drug res25: P3_P11_aspirin Aspirin 150mg
53804 CPRD_product_code Aspirin 300mg gastro-resistant tablets (Alliance Healthcare (Distribution) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
53816 CPRD_product_code Aspirin 300mg dispersible tablets (Alliance Healthcare (Distribution) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
54284 CPRD_product_code Aspirin 75mg dispersible tablets (Almus Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
54353 CPRD_product_code Generic Anadin Extra soluble tablets sugar free drug res25: P3_P11_aspirin Aspirin/Paracetamol/Caffeine 300mg + 200mg + 45mg
54430 CPRD_product_code Aspirin 75mg tablets (Alliance Healthcare (Distribution) Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
54526 CPRD_product_code Aspirin 300mg tablets (Alliance Healthcare (Distribution) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
54565 CPRD_product_code Aspirin 75mg dispersible tablets (Lloyds Pharmacy Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
54734 CPRD_product_code Aspirin 300mg tablets (Wockhardt UK Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
54997 CPRD_product_code Aspirin 75mg dispersible tablets (Dowelhurst Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
55230 CPRD_product_code Aspirin 300mg dispersible tablets (Kent Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
55579 CPRD_product_code Aspirin 300mg tablets (Almus Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
56007 CPRD_product_code Aspirin 300mg dispersible tablets (Sigma Pharmaceuticals Plc) drug res25: P3_P11_aspirin Aspirin 300mg
56503 CPRD_product_code Asasantin Retard capsules (Mawdsley-Brooks & Company Ltd) drug res25: P3_P11_aspirin Dipyridamole/Aspirin 200mg + 25mg
56736 CPRD_product_code Aspirin 300mg tablets (Waymade Healthcare Plc) drug res25: P3_P11_aspirin Aspirin 300mg
56883 CPRD_product_code Aspirin 75mg tablets (Waymade Healthcare Plc) drug res25: P3_P11_aspirin Aspirin 75mg
56995 CPRD_product_code Aspirin 75mg dispersible tablets (Phoenix Healthcare Distribution Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
56996 CPRD_product_code Aspirin 75mg dispersible tablets (Waymade Healthcare Plc) drug res25: P3_P11_aspirin Aspirin 75mg
57057 CPRD_product_code Aspirin 75mg dispersible tablets (Wockhardt UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
57585 CPRD_product_code Asasantin Retard capsules (Dowelhurst Ltd) drug res25: P3_P11_aspirin Dipyridamole/Aspirin 200mg + 25mg
58112 CPRD_product_code Alka-Seltzer effervescent tablets original (Bayer Plc) drug res25: P3_P11_aspirin Citric acid/Sodium bicarbonate/Aspirin 965mg + 1.625gram + 324mg
58331 CPRD_product_code Aspirin 300mg gastro-resistant tablets (Generics (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
59021 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Bristol Laboratories Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
59253 CPRD_product_code Aspirin 75mg gastro-resistant tablets (Waymade Healthcare Plc) drug res25: P3_P11_aspirin Aspirin 75mg
59728 CPRD_product_code Aspirin 75mg tablets (Alissa Healthcare Research Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
59791 CPRD_product_code Aspirin 75mg dispersible tablets (Aspar Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
6006 CPRD_product_code Nu-Seals 75 gastro-resistant tablets (Alliance Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
6007 CPRD_product_code Nu-Seals 300 gastro-resistant tablets (Alliance Pharmaceuticals Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
60127 CPRD_product_code Aspirin 75mg tablets (DE Pharmaceuticals) drug res25: P3_P11_aspirin Aspirin 75mg
60278 CPRD_product_code Aspirin 300mg tablets (DE Pharmaceuticals) drug res25: P3_P11_aspirin Aspirin 300mg
6226 CPRD_product_code Aspirin 500mg / Papaveretum 7.71mg dispersible tablets sugar free drug res25: P3_P11_aspirin Aspirin/Papaveretum 500mg + 7.71mg
645 CPRD_product_code Aspirin 300mg suppositories drug res25: P3_P11_aspirin Aspirin 300mg
657 CPRD_product_code Aspirin 500mg granules sachets sugar free drug res25: P3_P11_aspirin Aspirin 500mg
6666 CPRD_product_code Dipyridamole 200mg modified-release / Aspirin 25mg capsules drug res25: P3_P11_aspirin Dipyridamole/Aspirin 200mg + 25mg
6696 CPRD_product_code Micropirin 75mg gastro-resistant tablets (Dexcel-Pharma Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
685 CPRD_product_code Aspav dispersible tablets (Actavis UK Ltd) drug res25: P3_P11_aspirin Aspirin/Papaveretum 500mg + 7.71mg
7516 CPRD_product_code Aspirin 300mg effervescent tablets sugar free drug res25: P3_P11_aspirin Aspirin 300mg
7518 CPRD_product_code Aspirin 400mg with Codeine 8mg dispersible tablets drug res25: P3_P11_aspirin Codeine Phosphate 400mg + 8mg
7520 CPRD_product_code Anadin Extra soluble tablets (Pfizer Consumer Healthcare Ltd) drug res25: P3_P11_aspirin Aspirin/Paracetamol/Caffeine 300mg + 200mg + 45mg
7539 CPRD_product_code Beechams Powders oral powder sachets (SmithKline Beecham Plc) drug res25: P3_P11_aspirin Aspirin/Caffeine 600mg + 50mg
8185 CPRD_product_code Disprin CV 300mg modified-release tablets (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin 300mg
8186 CPRD_product_code Aspirin 300mg modified-release tablets drug res25: P3_P11_aspirin Aspirin 300mg
8645 CPRD_product_code Aspirin 300mg effervescent tablets drug res25: P3_P11_aspirin Aspirin 300mg
9044 CPRD_product_code Codis 500 dispersible tablets (Reckitt Benckiser Healthcare (UK) Ltd) drug res25: P3_P11_aspirin Aspirin/Codeine phosphate 500mg + 8mg
9129 CPRD_product_code Paracetamol 250mg with aspirin 250mg & codeine 6.8mg tablet drug res25: P3_P11_aspirin Codeine Phosphate 250mg+250mg+6.8mg
9144 CPRD_product_code Caprin 75mg gastro-resistant tablets (Wockhardt UK Ltd) drug res25: P3_P11_aspirin Aspirin 75mg
9301 CPRD_product_code Aspirin 100mg modified-release tablets drug res25: P3_P11_aspirin Aspirin 100mg
9432 CPRD_product_code Aspirin 500mg / Codeine 8mg soluble tablets drug res25: P3_P11_aspirin Codeine Phosphate 500mg + 8mg
9939 CPRD_product_code Aspirin 500mg effervescent tablets sugar free drug res25: P3_P11_aspirin Aspirin 500mg

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