阿昔洛韦为广谱抗病毒药 ,进入细胞后被磷酸化 ,在DNA多聚酶作用下 ,与增长的DNA链结合 ,引起链延伸中断 ,从而抑制病毒DNA合成 ;系鸟嘌呤衍生物 ,在冰醋酸或热水中略溶 ,在水中极微溶解 ,在稀氢氧化钠溶液中溶解 ;口服吸收差 ,为 15 %～ 30 % [1] 。注射用阿昔洛韦为阿昔洛韦 Acyclovir is a broad-spectrum antiviral drug that enters the cell and is phosphorylated, which, under the action of DNA polymerase, binds to the growing DNA strand, causing interruption of strand extension and thus inhibiting the synthesis of viral DNA; a guanine derivative, Acetic acid or hot water slightly soluble, very slightly soluble in water, dissolved in dilute sodium hydroxide solution; poor oral absorption, 15% to 30% [1]. Acyclovir for injection is acyclovir