An opiate analgesic composition and a non-opiate analgesic composition are disclosed for delivering an analgesic in either embodiment to a patient in need of relief from pain. The analgesics are present optionally with a nonionic surfactant and with an osmotic composition comprising a carbonate or bicarbonate for delivering the opiate analgesic and non-opiate analgesic from a dosage form.

 
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< Preparation of formulations for electrotransport drug delivery

> Device for enhanced electrotransport agent delivery

> Device for enhancing transdermal agent flux

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