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处方:盐酸丁卡因5～10g 西黄蓍胶18～25g (固定用量)单糖浆80ml甘油100ml酒精36～50ml(固定用量)25%尼泊金酒精1.2ml食用香精适量灭菌放冷蒸馏水加至1000ml制法:取盐酸丁卡因溶于约700ml 蒸馏水中;另取西黄蓍胶置于1000ml 干燥量杯中,加酒精湿透后,把上述盐酸丁卡因溶液一次迅速倒入,随后加入甘油、单糖浆、食用香精及尼泊金酒精并搅匀。这时溶液的pH 值约为6.0;然后用1NHCl或5%枸橼酸溶液调pH 值为5.0～5.5(若pH 值高于6.0,易致丁卡因水解失效和出现严重呕吐等不良反应);最后加足蒸馏水至1000ml 搅匀即得。
Prescription: tetracaine hydrochloride 5 ~ 10g tragacanth gum 18 ~ 25g (fixed amount) single syrup 80ml glycerin 100ml alcohol 36 ~ 50ml (fixed amount) 25% nipagin alcohol 1.2ml food flavor appropriate sterilization put cold distilled water plus To 1000ml Method: Take tetracaine hydrochloride dissolved in about 700ml of distilled water; another tragacanth placed 1000ml dry amount of the cup, add alcohol wet, the above solution of tetracaine hydrochloride quickly poured into, and then added Glycerin, simple syrup, food flavors and nipagin alcohol and stir well. Then the pH value of the solution is about 6.0; then use 1NHCl or 5% citric acid solution to adjust the pH value of 5.0 to 5.5 (if the pH value is higher than 6.0, prone to tetracaine hydrolysis failure and serious adverse reactions such as vomiting) ; Finally add enough distilled water to 1000ml stir well.