Contraindicated in:
Use Cautiously in:
CNS: SEIZURES, anxiety, dizziness, headache, rigors.
CV: CARDIOVASCULAR COLLAPSE, arrhythmias, bradycardia, chest pain, hypertension, hypotension, tachycardia.
GI: nausea, vomiting.
GU: urinary retention.
Derm: pruritus.
F and E: hypokalemia, metabolic acidosis.
Hemat: anemia.
Neuro: circumoral tingling/numbness, paresthesia.
Resp: dyspnea.
MS: chondrolysis.
Misc: allergic reactions, fever.
Drug-Drug:
(Generic available)
Surgical Anesthesia
Labor Pain
Postoperative Pain
Absorption: Systemic absorption follows epidural administration, but amount absorbed depends on dose.
Distribution: If systemic absorption occurs, this agent is widely distributed and crosses the placenta.
Metabolism/Excretion: Small amounts that may reach systemic circulation are mostly metabolized by the liver; <1% excreted unchanged in the urine.
Half-life: 4.2 hr (after epidural use).