Table 1.

Effect of the Artemisinin on Acetic Acid-Induced Writhing Test in Mice (n = 6)

Treatment	Dose (i.p.)	Writhing count	Inhibition (%)	P value
Ethanol (control)	10 mL/kg	87.14 ± 4.26	-	-
Artemisinin	2.5 mg/kg	62.21 ± 3.71*	28.60*	0.031
Artemisinin	5 mg/kg	45.18 ± 3.27*	48.15*	0.018
Artemisinin	10 mg/kg	32.17 ± 2.14*	63.08*	0.0005
Indomethacin	5 mg/kg	35.42 ± 2.19*	59.35*	0.0007

Values are presented as mean ± standard error of mean.

i.p.: intraperitoneal.

^*P < 0.05 vs. control.