Important Key Differences Between Benzocaine And Lidocaine.benzocaine hydrochloride Important Key Differences Between Benzocaine And Lidocaine The main reason is that the two methods of use are different. Benzocaine is colorless and odorless. It is mainly used for surface anesthesia. It can be used to relieve itching and pain. The intensity is relatively small. As long as you are not allergic to benzocaine, it is very safe to use. Important Key Differences Between Benzocaine And Lidocaine Lidocaine is also safe, but it is necessary to pay attention to dose control to avoid poisoning. Lidocaine has a quicker effect. In addition to being applied to the surface of the skin, it can relieve pain and itching, and it can also be used to treat vestibular neuritis and neonatal convulsions. Important Key Differences Between Benzocaine And Lidocaine Benzocaine is a topical anesthetic and a highly fat-soluble drug that can act on the nerve tissue of the skin and mucous membranes to temporarily disappear the sensation. It has relatively low toxicity and is safe to use. Lidocaine is a very commonly used amide local anesthetic. It has a wide range of safety and obvious effects. It takes a few seconds to take effect. There are basically no side effects and adverse reactions. The anesthetic effect is good.