ester local anesthetic

ester local anesthetic

a class of local anesthetics with an ester chemical group that differentiates it from the amide group of local anesthetics. Ester local anesthetics include benzocaine, chloroprocaine, cocaine hydrochloride, procaine hydrochloride, Nesacaine, and tetracaine and are metabolized primarily by pseudocholinesterase. Because of rapid metabolism, most ester local anesthetics have a relatively short duration of action with the exception of tetracaine.
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About Synera Synera (lidocaine 70 mg/tetracaine 70 mg) topical patch is a combination amide and ester local anesthetic topical patch indicated for use on intact skin to provide local dermal analgesia for superficial venous access and superficial dermatological procedures such as excision, electrodessication and shave biopsy of skin lesions.