Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai
Patent
1996-12-16
1999-08-24
Burn, Brian M.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Ester doai
514536, 514535, 514626, 514817, A61K 3124
Patent
active
059425431
ABSTRACT:
A topical anesthetic includes about 1-10% by weight lidocaine hydrochloride, about 0.01-0.10% by weight adrenaline, and about 0.25-4% by weight tetracaine hydrochloride, preferably in an aqueous base with about 2% benzyl alcohol or in a gel including about 3% hydroxyethyl cellulose. The topical anesthetic has been found to be at least as effective as TAC (tetracaine hydrochloride, adrenaline, cocaine), but with fewer harmful side effects and at a greatly reduced cost (about 1/10 of the cost of TAC).
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