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Local anesthetics

9 articles

Benoxinate

Benoxinate (oxybuprocaine) is a 0.4% topical ester ophthalmic anesthetic for tonometry, gonioscopy, and foreign body removal; onset about 1 minute, duration about 20 minutes; prolonged use causes corneal toxicity.

Bucillamine

Bucillamine (ブシラミン, Rimatil, SA96) is a dithiol cysteine-derivative DMARD for rheumatoid arthritis used in Japan and Korea, a potent thiol donor repurposed for COVID-19, cystinuria, transplantation, and nerve-agent countermeasures.

Centbucridine

Centbucridine (INN bucricaine), a quinoline local anesthetic developed at CSIR-CDRI Lucknow in 1982 and licensed to Themis Chemicals in 1987, has inherent vasoconstrictor and antihistaminic activity, is 4-8 times more potent than lignocaine, and was studied in ophthalmic and dental anesthesia.

Chloroprocaine

Chloroprocaine (2-chloroprocaine) is a short-acting ester local anesthetic of the PABA group, hydrolyzed by pseudocholinesterase within seconds, used for infiltration, nerve block, and epidural anesthesia but not spinal injection.

Epinastine

Epinastine is a topical antihistamine and mast cell stabilizer, formulated as a 0.5% ophthalmic solution, developed by Boehringer Ingelheim for the prevention of allergic conjunctivitis itching.

Etidocaine

Etidocaine (Duranest) is a long-acting amide local anesthetic, a lidocaine derivative similar to bupivacaine, with rapid onset, profound motor block, and 2-4 times lidocaine's potency; US-approved 1976, later discontinued.

Nalfurafine

Nalfurafine (TRK-820, Remitch) is a selective kappa-opioid receptor agonist antipruritic by Toray Industries, approved in Japan 2009 and later South Korea and China for refractory dialysis and chronic liver disease itch; EMA application withdrawn 2014.

Pramoxine

Pramoxine (pramocaine), a morpholine-ether topical anesthetic and antipruritic sold as pramoxine hydrochloride, blocks sodium channels to relieve itching and pain from hemorrhoids, insect bites, and minor skin irritation.

Propoxycaine

Propoxycaine (CAS 86-43-1) is a discontinued ester-type local anesthetic, C16H26N2O3, once combined with procaine in dental cartridges (Ravocaine) and withdrawn from the US market in 1996.