Low-dose subcutaneous ketamine infusion and morphine tolerance.

Bell, R F · Pain · 1999

case_report · Level V

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Abstract

The NMDA receptor has been reported to be involved in opioid tolerance. Adjuvant subcutaneous infusion treatment with (very) low-dose ketamine, a NMDA receptor antagonist, improves analgesia and at the same time appears to reduce morphine tolerance. Three cases are presented.

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