Table 2 –

Rates of dental antibiotic drug class prescribed per 1000 population in 2017 by country.

Drug class	Australia	England	United States	British Columbia
Penicillins
Amoxicillin prescription items, Number	524,166	1,959,346	14,607,292	223,057
Rate per 1000 population (95% CI)	21.3 (21.3–21.4)	35.2 (35.2–35.3)	44.9 (44.9–44.5)	46.3 (46.1–46.5)
Amoxicillin/Clavulanic Acid prescription items, Number	92,903	15,578	710,856	7,954
Rate per 1000 population (95% CI)	3.8 (3.8–3.8)	0.3 (0.3–0.3)	2.2 (2.2–2.2)	1.7 (1.6–1.7)
Phenoxymethylpenicillin prescription items, Number	11,197	12,873	2,194,226	20,999
Rate per 1000 population (95% CI)	0.5 (0.4–0.5)	0.2 (0.2–0.2)	6.8 (6.8–6.8)	4.4 (4.3–4.4)
Other Penicillin prescription items, Number	389	-	23,948	43
Rate per 1000 population (95% CI)	0.0 (0.0–0.0)	0.0 (0.0–0.0)	0.1 (0.1–0.1)	0.0 (0.0–0)
Cephalosporins
Cefalexin prescription items, Number	24,056	5,593	886,761	2,515
Rate per 1000 population (95% CI)	1.0 (1.0–1.0)	0.1 (0.1–0.1)	2.7 (2.7–2.7)	0.5 (0.5–0.5)
Other Cephalosporins prescription items, Number	676	627	32,794	102
Rate per 1000 population (95% CI)	0.0 (0.0–0.0)	0.0 (0.0–0.0)	0.1 (0.1–0.1)	0.0 (0.0–0.0)
Lincosamides
Clindamycin prescription items, Number	41,324	14,253	3,367,880	38,866
Rate per 1000 population (95% CI)	1.7 (1.7–.1.7)	0.3 (0.3–0.3)	10.4 (10.4–10.4)	8.1 (8.0–8.1)
Macrolides
Azithromycin prescription items, Number	-	2,236	1,021,272	3,363
Rate per 1000 population (95% CI)	-	0.0 (0.0–0.0)	3.1 (3.1–3.1)	0.7 (0.7–0.7))
Erythromycin prescription items, No.	9,598	107,047	40,268	2,096
Rate per 1000 population (95% CI)	0.4 (0.4–0.4)	1.9 (1.9–1.9)	0.1 (0.1–0.1)	0.4 (0.4–0.5)
Other Macrolides prescription items, Number	1,422	7,654	19,432	1,614
Rate per 1000 population (95% CI)	0.1 (0.1–0.1)	0.1 (0.1–0.1)	0.1 (0.1–0.1)	0.3 (0.3–0.3)
Nitroimidazoles
Metronidazole prescription items, Number	108,041	846,207	206,682	8,651
Rate per 1000 population (95% CI)	4.4 (4.4–4.4)	15.2 (15.2–15.3)	0.6 (0.6–0.6)	1.8 (1.8–1.8)
Tetracyclines
Doxycycline prescription items, Number	1,719	4,611	301,508	2,008
Rate per 1000 population (95% CI)	0.1 (0.1–0.1)	0.1 (0.1–0.1)	0.9 (0.9–0.9)	0.4 (0.4–0.4)
Tetracycline prescription items, Number	-	914	3,874	199
Rate per 1000 population (95% CI)	-	0.0 (0.0–0.0)	0.0 (0.0–0.0)	0.0 (0.0–0.0)
Other Tetracyclines prescriptions, Number	-	491	11,304	48
Rate per 1000 population (95% CI)	-	0.0 (0.0–0.0)	0.0 (0.0–0.0)	0.0 (0.0–0.0)
Other
Other antibiotic prescription items, Number	642	-	165,440	1,432
Rate per 1000 population (95% CI)	0.0 (0.0–0.0)	-	0.5 (0.5–0.5)	0.3 (0.3–0.3)