These tables show the top 10 subsidised drugs for the year July 2010 – June 2011.

Table 1
Top 10 drugs supplied by DDD/1000 pop/day *,
Drug PBS/RPBS
1. atorvastatin 82.87
2. irbesartan 33.02
3. rosuvastatin 32.37
4. perindopril 29.94
5. paracetamol 26.88
6. ramipril 26.16
7. candesartan 25.25
8. simvastatin 23.90
9. esomeprazole 21.32
10. amlodipine 19.92
DDDs in this table include use in combination products
Table 2
Top 10 drugs by prescription counts
Drug PBS/RPBS
1. atorvastatin 11 020 969
2. esomeprazole 6 099 877
3. rosuvastatin 5 975 902
4. paracetamol 4 840 331
5. simvastatin 4 245 616
6. perindopril 3 995 257
7. pantoprazole 3 549 374
8. metformin hydrochloride 3 383 078
9. irbesartan 3 098 162
10. atenolol 3 070 515

Table 3
Top 10 drugs by cost to government
Drug Cost to government DDD/1000/day * Prescriptions
($A) PBS/RPBS PBS/RPBS
1. atorvastatin 637 426 978 82.87 11 020 969
2. rosuvastatin 334 168 383 32.37 5 975 902
3. ranibizumab 310 399 773 – ¶ 146 272
4. esomeprazole 184 167 326 21.32 6 099 877
5. clopidogrel 173 946 446 10.94 2 774 567
6. salmeterol and fluticasone 173 934 061 – § 3 065 047
7. adalimumab 173 892 033 0.33 97 834
8. olanzapine 161 933 986 2.99 950 386
9. simvastatin 139 642 087 23.90 4 245 616
10. etanercept 122 729 015 0.24 69 742

* The defined daily dose (DDD)/thousand population/day is a more useful measure of drug utilisation than prescription counts. It shows how many people, in every thousand Australians, are taking the standard dose of a drug every day.
Based on date of supply. Does not include private prescriptions or prescriptions under PBS co-payment.
PBS Pharmaceutical Benefits Scheme, RPBS Repatriation Pharmaceutical Benefits Scheme
The World Health Organization has not allocated a DDD for this drug
§ This combination does not have a DDD allocated

Source: Drug Utilisation Sub-Committee (DUSC) Database, as at September 2011. © Commonwealth of Australia.