Question
Posted on: October 2 2017How do we best make this preparation?
R/Benzocaine 20 g, Lidocaine 5 G, Tetracaine 6 G, DMSO 6 G, Klucel 3.6 g, glycerol 7.2 g and Aqua Conservans AD 100 gram
Answer
Solubilities
Benzocaine 1 on 2500 in water; 1 in 8 in alcohol; lidocaine base onopl in water, very good in alcohol; Lidocaine HCl very good in water , 1 on 1.5 in alcohol; Tetracaine HCl 1 on 7.5 in water, 1 in 40 in alcohol
The amount of benzocaine is