Lioresal Intrathecal

  • Muscle spasms

Lioresal Intrathecal Generic Name & Formulations

General Description

Baclofen 50mcg/mL, 500mcg/mL, 2000mcg/mL; for intrathecal inj; preservative-free.

Pharmacological Class

Muscle relaxant (central), antispastic agent.

How Supplied

Single use ampules—1; Refill Kits—1, 2 (w. ampules and supplies)


Lioresal Intrathecal Indications


Severe spasticity of cerebral or spinal origin, when oral baclofen is not appropriate.

Lioresal Intrathecal Dosage and Administration

Adults and Children

<4yrs: not established. ≥4yrs: Give test dose 1st by intrathecal inj via spinal catheter or lumbar puncture (see full labeling for dose and timing; use 50mcg/mL syringe). Dose titration: see full labeling. Maintenance: titrate individually; use lowest effective dose; maintain muscle tone possibly close to normal. Spinal cord origin: usually 300–800mcg/day. Cerebral origin: usually 90–703mcg/day. Avoid abrupt cessation (may be severe/fatal); closely monitor pump, alarms, and refill schedule; wean orally-administered antispasticity drugs carefully.

Lioresal Intrathecal Contraindications


Not for IV, IM, SC or epidural administration.

Lioresal Intrathecal Boxed Warnings

Not Applicable

Lioresal Intrathecal Warnings/Precautions


Do not discontinue abruptly; may result in high fever, altered mental status, rebound spasticity, muscle rigidity. Have resuscitative equipment and trained personnel available. Apparent risk patients (eg, spinal cord injury at T-6 or higher, communicative impairment, history of withdrawal symptoms): closely monitor infusion system, dosing schedule, refills, pump alarms, clinical signs of withdrawal or overdose. Do not use chronically if test dose ineffective. For chronic dosing use approved pump (eg, Medtronic SynchroMed Infusion System). Allow at least one year after traumatic brain injury before starting. Infections. Psychosis. Schizoaffective disorders. Confusion. Autonomic dysreflexia. Renal impairment. Hospitalize immediately if pump malfunction suspected. Pregnancy. Nursing mothers.

Lioresal Intrathecal Pharmacokinetics

See Literature

Lioresal Intrathecal Interactions


Hypotension, dyspnea with morphine. Additive CNS depression with alcohol, other CNS depressants. Do not mix with other drugs in pump or catheter.

Lioresal Intrathecal Adverse Reactions

Adverse Reactions

Hypotonia, somnolence, dizziness, nausea, vomiting, paresthesia, headache, convulsion, hypotension, agitation, constipation, leukocytosis, chills, urinary retention, coma, drowsiness, psychosis, confusion; CNS depression, cardiovascular collapse, respiratory failure; others.

Lioresal Intrathecal Clinical Trials

See Literature

Lioresal Intrathecal Note

Not Applicable

Lioresal Intrathecal Patient Counseling

See Literature