Ozobax Drug Information
Generic name: BACLOFEN
gamma-Aminobutyric Acid-ergic Agonist [EPC]
Uses of Ozobax
is indicated for the treatment of spasticity resulting from multiple sclerosis, particularly for the relief of flexor spasms and concomitant pain, clonus, and muscular rigidity. OZOBAX DS may also be of some value in patients with spinal cord injuries and other spinal cord diseases. Limitations of Use OZOBAX DS is not indicated in the treatment of skeletal muscle spasm resulting from rheumatic disorders.
OZOBAX DS is a gamma-aminobutyric acid (GABA-ergic) agonist indicated for the treatment of spasticity resulting from multiple sclerosis, particularly for the relief of flexor spasms and concomitant pain, clonus, and muscular rigidity. OZOBAX DS may also be of some value in patients with spinal cord injuries and other spinal cord diseases. Limitations of Use OZOBAX DS is not indicated in the treatment of skeletal muscle spasm resulting from rheumatic disorders
Dosage & Administration of Ozobax
Important Dosage Information Baclofen oral solution is available in multiple concentrations; ensure
accuracy when prescribing, dispensing and administering baclofen oral solution to avoid dosing errors due to confusion between mg and mL, and with other baclofen oral solutions of different concentrations. When writing prescriptions, include both the total dose in mg and the total dose in volume.
Recommended Dosage Initiate
OZOBAX DS with a low dosage, preferably in divided doses, administered orally. The following gradually increasing dosage regimen is suggested, but should be adjusted based on clinical response and tolerability: 5 mg (2.5 mL) three times a day for three days 10 mg (5 mL) three times a day for three days 15 mg (7.5 mL) three times a day for three days 20 mg (10 mL) three times a day for three days Additional increases may be necessary up to the maximum recommended dosage of 80 mg daily (20 mg four times a day).
Discontinuation of
OZOBAX DS When discontinuing OZOBAX DS, reduce the dosage slowly and avoid abrupt withdrawn from the drug to help minimize the risk of adverse reactions.
Side Effects of Ozobax
Clinical Trials Experience
Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The most common adverse reaction is transient drowsiness. In one controlled study of 175 patients, transient drowsiness was observed in 63% of those receiving baclofen compared to 36% of those in the placebo group.
Other common adverse reactions (up to 15%) are dizziness and weakness. Adverse reactions with a frequency of ≥1% are listed in Table 1. Table 1. Common (≥1%) Adverse Reactions in Patients Treated with Baclofen for Spasticity ADVERSE REACTION PERCENT Drowsiness 10-63% Dizziness 5-15% Weakness 5-15% Nausea 4-12% Confusion 1-11% Hypotension 0-9% Headache 4-8% Insomnia 2-7% Constipation 2-6% Urinary Frequency 2-6% Fatigue 2-4% The following adverse reactions not included in Table 1, classified by body system, were also reported: Neuropsychiatric: euphoria, excitement, depression, hallucinations, paresthesia, muscle pain, tinnitus, slurred speech, coordination disorder, tremor, rigidity, dystonia, ataxia, blurred vision, nystagmus, strabismus, miosis, mydriasis, diplopia, dysarthria, epileptic seizure Cardiovascular: dyspnea, palpitation, chest pain, syncope Gastrointestinal: dry mouth, anorexia, taste disorder, abdominal pain, vomiting, diarrhea, and positive test for occult blood in stool Genitourinary: enuresis, urinary retention, dysuria, impotence, inability to ejaculate, nocturia, hematuria Other: rash, pruritus, ankle edema, excessive perspiration, weight gain, nasal congestion The following laboratory tests have been found to be abnormal in patients receiving baclofen: increased SGOT, elevated alkaline phosphatase, and elevation of blood sugar.
Warnings & Cautions for Ozobax
Adverse Reactions from Abrupt Withdrawal of
OZOBAX DS Abrupt discontinuation of baclofen, regardless of the cause, has resulted in adverse reactions that include hallucinations, seizures, high fever, altered mental status, exaggerated rebound spasticity, and muscle rigidity, that in rare cases has advanced to rhabdomyolysis, multiple organ-system failure, and death. Therefore, reduce the dosage slowly when OZOBAX DS is discontinued, unless the clinical situation justifies a rapid withdrawal.
Neonatal Withdrawal Symptoms Withdrawal symptoms in neonates whose mothers were treated with
oral baclofen throughout pregnancy have been reported starting hours to days after delivery. The symptoms of withdrawal in these infants have included increased muscle tone, tremor, jitteriness, and seizure. If the potential benefit justifies the potential risk to the fetus and OZOBAX DS is continued during pregnancy, gradually reduce the dosage and discontinue OZOBAX DS before delivery.
If slow withdrawal is not feasible, advise the parents or caregivers of the exposed neonate of the potential for neonatal withdrawal.
Drowsiness and Sedation Drowsiness and sedation have been reported in up to
63% of patients taking baclofen, the active ingredient in OZOBAX DS . Patients should avoid operation of automobiles or other dangerous machinery and activities made hazardous by decreased alertness when starting OZOBAX DS or increasing the dose until they know how the drug affects them. Advise patients that the central nervous system depressant effects of OZOBAX DS may be additive to those of alcohol and other CNS depressants.
Poor Tolerability in Stroke Patients
OZOBAX DS should be used with caution in patients who have had a stroke. Baclofen has not significantly benefited patients with stroke. These patients have also shown poor tolerability to the drug.
Exacerbation of Psychotic Disorders, Schizophrenia, or Confusional States
OZOBAX DS should be used with caution in patients suffering from psychotic disorders, schizophrenia, or confusional states. If treated with OZOBAX DS, these patients should be kept under careful surveillance because exacerbations of these conditions have been observed with oral baclofen administration.
Exacerbation of Autonomic Dysreflexia
OZOBAX DS should be used with caution in patients with a history of autonomic dysreflexia. The presence of nociceptive stimuli or abrupt withdrawal of OZOBAX DS may cause an autonomic dysreflexic episode.
Exacerbation of Epilepsy
OZOBAX DS should be used with caution in patients with epilepsy. Deterioration in seizure control has been reported in patients taking baclofen.
Posture and Balance Effects
OZOBAX DS should be used with caution in patients where spasticity is utilized to sustain upright posture and balance in locomotion or whenever spasticity is utilized to obtain increased function.
Ovarian Cysts
A dose-related increase in incidence of ovarian cysts was observed in female rats treated chronically with oral baclofen. Ovarian cysts have been found by palpation in about 4% of the multiple sclerosis patients who were treated with oral baclofen for up to one year. In most cases, these cysts disappeared spontaneously while patients continued to receive the drug.
Ovarian cysts are estimated to occur spontaneously in approximately 1% to 5% of the normal female population.
Drug Interactions with Ozobax
CNS Depressants and Alcohol
OZOBAX DS can cause CNS depression, including drowsiness and sedation, which may be additive when used concomitantly with other CNS depressants or alcohol.
Contraindications for Ozobax
is contraindicated in patients with hypersensitivity to baclofen. Hypersensitivity to baclofen
Overdosage Information for Ozobax
Symptoms of Baclofen Overdose Patients may present in coma or with progressive
drowsiness, lightheadedness, dizziness, somnolence, accommodation disorders, respiratory depression, seizures, or hypotonia progressing to loss of consciousness.
Treatment for Overdose
The treatment of baclofen overdose includes gastric decontamination, maintaining an adequate airway and respirations.
Clinical Studies of Ozobax
The efficacy of OZOBAX DS is based upon a bioavailability study in healthy adults comparing baclofen oral tablets to baclofen oral solution.
Drug information sourced from the FDA. This content is for informational purposes only and does not constitute medical advice. Consult a healthcare professional before making any medication decisions.
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