Lidocaine and chlorhexidine aerosol

Abstract

In order to overcome the defects of current medicines for treating mosquito / bug bite, skin abrasion, soft tissue injury and minor burn, shorten treatment period, reduce adverse reaction, achieve convenient carrying, enhance curative effect and lower the use amount of medicine, the invention obtains a novel Lidocaine aerosol after optimized screening, which contains Lidocaine, chlorhexidine acetate, benzalkonium bromide, vinyl pyrrolidone-vinyl acetate copolymer, acetic ester, ethanol and propellant. The aerosol plays a good role of treating mosquito / bug bite and skin injury and simultaneously reduces the stimulation on skin.

Description

technical field [0001] The invention belongs to the field of pharmaceutical preparations, in particular to a spray containing lidocaine. Background technique [0002] Mosquitoes are rampant in summer, and the exposed skin is easily bitten by mosquitoes. Mosquitoes belong to the order Insecta Diptera and are small insects. Inflammation, dengue fever and other infectious diseases, the mosquito's beak pierces the skin and there is a tingling sensation, and edematous erythema, papules or wheals may appear at the puncture site, and there is a large dark red petechiae in the center of the lesion. Complete depigmentation, characterized by pale circles around the sore point. The rash subsides on its own within 2 to 3 days, and the degree of rash reaction varies from person to person. Some people may have no symptoms after being bitten, and some may only have mild itching and slight pain, but some people with allergies may have obvious redness and swelling , even large ecchymosis, ...

AI Technical Summary

Problems solved by technology

For example, Chinese herbal medicines are usually slow to take effect, and most of the finished products are tan, which is easy to color the skin; although western medicines are quick to take effect, they often cause some people to have side effects such as allergies, pimples, itching, etc. Wipe off, not waterproof

[0007] At present, there are Lidocaine and Chlorhexidine aerosol medicines on the market. The manufacturers include Shandong Dongwei, Jinan Weimin, etc., but only disclose three ingredients: lidocaine, chlorhexidine acetate, and benzalkonium bromide. The specific details of other excipients and propellants have not been reported

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