Table 2.

Drugs comprising ≥0.1% prescriptions in primary but not secondary care that were included in the core list

	Drug, class or BNF grouping	Most commonly prescribed example(s)	PCA rank	Prescribing frequency (%)
1	Topical corticosteroids(skin, nasal)	Hydrocortisone Beclometasone dipropionate	12	2.89
2	Vaccines and antisera	Influenza vaccine	17	1.87
3	Female sex hormones including combined and progesterone only oral contraceptive pills	Ethinylestradiol	18	1.68
4	Tetracylines	Oxytetracycline	62	0.35
5	Potassium sparing diuretics with other diuretics	Co-amilofruse	63	0.34
6	Carbamazepine		65	0.32
7	Bulk forming laxatives	Ispaghula husk	68	0.28
8	Dopaminergic parkinsonism drugs	Co-careldopa (carbidopa/levodopa)	70	0.27
9	Drugs for erectile dysfunction	Sildenafil	75	0.23