Compound lidocaine medicine composition and preparation method thereof
A lidocaine and composition technology, applied in the field of medicine, can solve problems such as unsatisfactory stability, influence on product quality, decreased stability, etc., and achieve the effects of enhancing percutaneous penetration effect, shortening operation time, and high stability
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Embodiment 1
[0033] [Recipe] Lidocaine 2g, prilocaine 3g, peppermint oil 2g, caprylic capric macrogolglyceride 18g, polyethylene glycol 4006g and water 80g.
[0034] [Preparation method] Weigh the oil phase, surfactant, co-surfactant, lidocaine and prilocaine according to the formula and stir to form a mixed drug solution, then add dropwise the water weighed according to the formula, using The pharmaceutical composition is prepared by adding water dropwise.
Embodiment 2
[0036] [Recipe] Lidocaine 3g, prilocaine 2g, oleic acid 9g, Tween-8013g, ethanol 9g and water 60g.
[0037] [Preparation method] Weigh the oil phase, surfactant, co-surfactant, lidocaine and prilocaine according to the formula and stir to form a mixed drug solution, then add dropwise the water weighed according to the formula, using The pharmaceutical composition is prepared by adding water dropwise.
Embodiment 3
[0039] [Recipe] Lidocaine 2.5g, prilocaine 2.5g, ethyl oleate 5.5g, polyoxyethylene castor oil 15.5g, polyethylene glycol 4007.5g and water 70g.
[0040] [Preparation method] Weigh the oil phase, surfactant, co-surfactant, lidocaine and prilocaine according to the formula and stir to form a mixed drug solution, then add dropwise the water weighed according to the formula, using The pharmaceutical composition is prepared by adding water dropwise.
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