TALWIN® Nx pentazocine
and naloxone hydrochlorides, USP Analgesic
for Oral Use Only
TALWIN® Nx is intended for oral
use only. Severe, potentially lethal, reactions may result
from misuse of TALWIN Nx by injection
either alone or in combination with other substances. (See
ADVERSE REACTIONS: DRUG
ABUSE AND DEPENDENCE subsection.)
TALWIN Nx contains pentazocine
hydrochloride, USP, equivalent
to 50 mg base and is a
member of the benzazocine
series (also known as
the benzomorphan series), and naloxone hydrochloride, USP, equivalent
to 0.5 mg base.
TALWIN Nx is an analgesic
for oral administration.
is 1, 2, 3, 4, 5, 6-Hexahydro-6,11-dimethyl-3-(3- methyl-2-butenyl)-2,6-methano-3-benzazocin-8-
ol hydrochloride, a white,
soluble in acidic aqueous
Chemically, naloxone hydrochloride
is Morphinan-6-one, 4, 5-epoxy-3, 14-dihydroxy-17- (2-propenyl)-,
hydrochloride, (5a). It is a slightly
off-white powder, and is soluble
in water and dilute acids.
Inactive Ingredients: Colloidal Silicon Dioxide, Dibasic
Calcium Phosphate, D&C Yellow #10, FD&C Yellow #6, Magnesium
Stearate, Microcrystalline Cellulose, Sodium Lauryl Sulfate, Starch.