Precursor to metabolite: Morphine to Morphine-3-glucuronide

Morphine is converted to Morphine-3-glucuronide by UGT2B7.

Morphine mascot — mnemonic cartoon — Visual mnemonic: Morphine mascot

The pair

Morphine — Prototypical opioid analgesic and comparison standard.
Morphine-3-glucuronide — Nonanalgesic morphine metabolite that accumulates in renal impairment; may contribute to neuroexcitatory toxicity.

Morphine · Morphine-3-glucuronide · Open Morphine in the interactive console ↗