Details About Generic Salt ::  Baclofen

Main Medicine Class:: Skeletal muscle relaxant,Centrally acting   

Tablets: 10 mg, 20 mg
Intrathecal: 0.05 mg/mL (50 mcg/mL), 10 mg/20 mL (500 mcg/mL), 10 mg/5 mL (2000 mcg/mL)
APO-Baclofen, Dom-Baclofen, Gen-Baclofen, Lioresal, Lioresal Intrathecal, Med-Baclofen, Nu-Baclo, PMS-Baclofen
Class: Skeletal muscle relaxant/Centrally acting


Drugs Class ::

 Action May inhibit transmission of reflexes at spinal level, possibly by action (hyperpolarization) at primary afferent fiber terminals resulting in relief of muscle spasticity; has CNS depressant properties.

Indications for Drugs ::


Oral: Treatment of reversible spasticity resulting from multiple sclerosis. May be of some value in patients with spinal cord injuries and other spinal cord diseases. Intrathecal: Treatment of severe spasticity of spinal cord origin in patients who are unresponsive to or cannot tolerate oral baclofen therapy. Used intrathecally in single bolus test doses; chronic use requires implantable pump. Unlabeled use(s): Oral: Therapy for trigeminal neuralgia (tic douloureux); tardive dyskinesia. Intrathecal: Cerebral palsy spasticity in children.

Drug Dose ::


ADULTS: Initial dose: PO 5 mg tid; may be increased by 5 mg/dose q 3 days prn to max 80 mg/day (20 mg qid). Intrathecal Refer to manufacturer’s manual for implantable pump.


ADULTS: 1 mL of 50 mcg/mL dilution is administered into the intrathecal space by barbotage over 1 min and patient is observed for 4 to 8 hr; may be repeated 24 hr later with 75 mcg/1.5 mL and 48 hr later with 100 mcg/2 mL. Do not give implantable pump to patients not responding to 100 mcg bolus. CHILDREN: The starting screening dose for pediatric patients is the same as in adult patients (eg, 50 mcg). However, for very small patients, a screening dose of 25 mcg may be tried first.

Postimplant Dose Titration Period

To determine the initial total daily dose of baclofen following implant, double the screening dose that gave a positive effect and administer over a 24-hr period.

Spasticity of Spinal Cord Origin

ADULTS: Intrathecal After the first 24 hr, increase the daily dosage slowly 10% to 30% increments and only once q 24 hr, until desired effect is achieved.

Spasticity of Cerebral Origin

ADULTS: Intrathecal After the first 24 hr, increase the daily dose slowly 5% to 15% once q 24 hr, until desired clinical effect is achieved. CHILDREN: After the first 24 hr, increase the daily dose slowly 5% to 15% only once q 24 hr, until the desired effect is achieved.

Maintenance Therapy

Very often the maintenance dose needs to be adjusted during the first few months of therapy while patients adjust to changes in lifestyle because of the alleviation of spasticity.

Spasticity of Spinal Cord Origins

ADULTS: Intrathecal During periodic refills of the pump, the daily dose may be increased 10% to 40%, but no more than 40%, to maintain adequate symptom control. Maintenance dose for long-term continuous infusion has ranged from 12 to 2003 mcg/day, with most patients adequately maintained on 300 to 800 mcg/day.

Spasticity of Cerebral Origin

ADULTS: Intrathecal During the periodic refills of the pump, the daily dose may be increased 5% to 20%, but no more than 20%. Ranges from 22 to 1400 mcg/day, with most patients adequately maintained on 90 to 703 mcg/day. CHILDREN LESS THAN 12 YR: Average daily dose 274 mcg/day. Requires individual titration. Use the lowest dose with an optimal response. CHILDREN AT LEAST 12 YR: Same as adult. Determination of the optimal dose requires individual titration. Use the lowest dose with an optimal response.

Contraindication ::

 Contraindications Treatment of spasms from rheumatic disorders, stroke, cerebral palsy and Parkinson disease; use of intrathecal form via IV, IM, SC, or epidural routes.

Drug Precautions ::


Pregnancy: Category C. Lactation: Excreted in breast milk. Children: Safety of oral baclofen in children less than 12 yr and of intrathecal baclofen in children less than 4 yr has not been established. Abrupt discontinuation: Abrupt discontinuation of intrathecal baclofen has resulted in sequelae that include high fever, altered mental status, exaggerated rebound spasticity, and muscle rigidity, which in rare cases has advanced to rhabdomyolysis, multiple organ system failure, and death. Intrathecal use: Only specially trained personnel should administer drug intrathecally because of potentially life-threatening CNS depression, cardiovascular collapse, or respiratory failure. Epilepsy and psychotic disorders: Use with caution because of potential exacerbations. Fatalities: Fatalities occurred in premarketing trials of intrathecal baclofen; role of baclofen in these deaths is unknown. Infection: Patients should be infection-free before screening trial with baclofen injection. Renal impairment: Administer with caution. Dosage reduction may be necessary. Stroke: Drug has not significantly benefited patients with stroke; these patients also have poor drug tolerance.


Drug Side Effects ::

 Adverse Reactions

CV: Hypotension; palpitations; chest pain. CNS: Drowsiness; weakness in lower extremities; dizziness; seizures; headache; numbness; euphoria; depression; confusion; lethargy; insomnia. DERM: Pruritus; rash. EENT: Tinnitus; blurred vision; taste disorder; nasal congestion. GI: Nausea; vomiting; dry mouth; constipation; diarrhea; abdominal pain; anorexia. GU: Urinary frequency; enuresis; dysuria; impotence. RESP: Dyspnea. OTHER: Hypotonia; slurred speech; muscle pain; ankle edema; excessive perspiration; weight gain.

Drug Mode of Action ::  

 Action May inhibit transmission of reflexes at spinal level, possibly by action (hyperpolarization) at primary afferent fiber terminals resulting in relief of muscle spasticity; has CNS depressant properties.

Drug Interactions ::


CNS depressants: May cause increased sedative effects. Morphine (epidural): May cause hypotension and dyspnea.

Drug Assesment ::


  • Obtain patient history, including drug history and any known allergies. Note any signs of infection.
  • Assess muscle spasticity and monitor throughout course of therapy.
  • Monitor renal function prior to administration.
  Vomiting, muscular hypotonia, muscle twitching, drowsiness, accommodation disorders, coma, respiratory depression, seizures. Intrathecal: Drowsiness, lightheadedness, dizziness, somnolence, respiratory depression, seizures

Drug Storage/Management ::



  • Administer with milk or food to avoid GI upset.
  • Dilute intrathecal medication per manufacturer’s instructions.


  • If there is not a substantive clinical response to increases in the daily dose, check for proper pump function and catheter patency.
  • The daily maintenance dose may be reduced 10% to 20% if patients experience side effects.
  • Have resuscitation equipment available during trial drug period if intrathecal administration is considered. Patient must have positive response to trial of intrathecal medication before use of implantable pump.
  • Store at room temperature in tightly closed container.

Drug Notes ::

 Patient/Family Education

  • Instruct patient to take drug exactly as prescribed. If dose is missed it should be taken within 1 hr. Warn patient not to double up on doses.
  • Explain that full effectiveness of drug may not occur until several weeks after initiation of drug therapy.
  • Warn patient not to discontinue medication abruptly. Explain that hallucinations or seizures may occur.
  • Instruct patient to avoid intake of alcoholic beverages or other CNS depressants.
  • Teach patient to avoid sudden position changes to prevent orthostatic hypotension.
  • Caution diabetic patient that false elevation of blood glucose may occur. Instruct patient to monitor blood glucose carefully.
  • Instruct patient to report the following symptoms to health care provider: dizziness, nausea, hypotension, urinary frequency, retention, painful urination, headache, seizures, weakness.
  • Advise patient that drug may cause drowsiness, and to use caution while driving or performing other tasks requiring mental alertness.

Disclaimer ::

The Information available on this site is for only Informational Purpose , before any use of this information please consult your Doctor .Price of the drugs indicated above may not match to real price due to many possible reasons may , including local taxes etc.. These are only approximate indicative prices of the drug.


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