Doxepin is a psychotropic agent with antidepressant and anxiolytic properties. It is a tertiary amine that can be presented as (E) and (Z) stereoisomers with the (Z) stereoisomer corresponding to cidoxepin. Doxepin commonly produces a 5:1 (E):(Z) racemic mixture.
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Oral doxepin is approved for the following indications:
Topical doxepin is also approved for short-term (up to 8 days) management of moderate pruritus in adult patients with atopic dermatitis, pruritus or lichen simplex chronicus.
Off-label, doxepin is used topically for the management of neuropathic pain.
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