配方类型:

COSMETICS AND DRUGS

配方说明:

Anti-Infective-Analgesic Ear Drop

配方组成:

Benzocaine (50% w/v)/500 g
Chlorobutanol (0.5% w/v)/50 g
Tyrothricin (0.1% w/v)/10 g
Polyethylene Glycol-400, q.s./10 liters

配制方法:

Triturate the tyrothricin in portions with small quantities of the polyethylene glycol-400. Add more polyethylene glycol-400 and heat to 50'C. Dissolve with stirring the benzocaine and chlorobutanol. Bring up to volume with polyethylene glycol-400 and filter solution through kieselguhr.