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Frisium 10 mg

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Frisium 10 mg

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Treatment option:

Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

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Overview of Frisium 10 mg

Property Description
Active ingredient Clobazam
Form Tablet
Pharmacological class Benzodiazepine, Central Nervous System (CNS) Depressant
General Purpose Anticonvulsant, Anxiolytic
Origin Synthetic organic compound

Identity and Pharmacological Classification of Frisium 10 mg

Frisium 10 mg is a prescription-only medication that contains the active ingredient clobazam. Clobazam is internationally recognized and documented as a Central Nervous System (CNS) Depressant and belongs to the broader Benzodiazepine pharmacological class. Clobazam's distinctive structural classification as a 1,5-benzodiazepine derivative sets it apart from many common agents in this group. This unique structure contributes to its profile as a long-acting benzodiazepine, a characteristic of its pharmacological makeup. Clobazam’s primary mechanism is through enhancing GABAergic neurotransmission, which underscores its role as an effective CNS stabilizer.


Composition, Form, and General Purpose

The active ingredient, clobazam, is a synthetic organic compound, a single, chemically manufactured entity. Frisium 10 mg is a single active ingredient product, provided in the solid oral dosage form of a tablet intended for reliable intake via the oral route. The composition comprises the specified amount of the active ingredient alongside standard pharmaceutical excipients that provide the necessary tablet structure. The medication’s general purpose is to stabilize nervous system activity, giving it dual utility as both an anticonvulsant and an anxiolytic. Its action results in the reduction of hyperexcitability in the central nervous system, making it a valuable tool in managing states of high neuronal arousal and tension.

Regulatory References

  1. Clobazam Monograph/Drug Information
  2. Public Assessment Report for Clobazam
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What side effects are possible with Frisium 10 mg?

Possible side effects and safety information

The safety profile of clobazam (Frisium 10 mg) is extensively documented in official regulatory sources, with adverse reactions formally categorized by frequency and the body system affected.

Frequency-Classified Adverse Reactions

The most frequently observed adverse reactions are primarily related to the medication’s action as a Central Nervous System (CNS) depressant. In regulatory labeling, somnolence (drowsiness) and fatigue are classified as Very Common. Adverse reactions listed as Common include ataxia (unsteadiness), dizziness, irritability, dysarthria (speech disturbance), and constipation.

Serious Adverse Reactions and Safety Constraints

Official labeling mandates safety alerts for rare but serious risks. These include the potential for Severe Cutaneous Adverse Reactions (SCARs), such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), which are noted as being most commonly reported within the first eight weeks of treatment. The medication is associated with a risk of developing physical and psychological dependence and severe withdrawal phenomena.

Concomitant use with other CNS depressants, particularly opioids, carries a formally documented, significant risk of profound sedation, respiratory depression, and adverse outcomes. The regulatory documentation explicitly includes a warning regarding the potential for abuse and misuse of clobazam.

Population-Specific Safety Notes

The labeling contains specific safety considerations for vulnerable groups. Older adults may exhibit increased sensitivity to the medication’s CNS depressant effects, such as sedation. The drug is contraindicated in individuals with severe hepatic (liver) impairment, and use during pregnancy may result in neonatal sedation and withdrawal symptoms in the newborn.

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Overdose and Emergency Response

The official regulatory profile for Frisium 10 mg (Clobazam) overdose is based on the manifestations of progressive Central Nervous System (CNS) depression. Documented clinical presentations include drowsiness, confusion, lethargy, ataxia (lack of coordination), blurred vision, slurred speech, and the potential for change or loss of consciousness. This severity can lead to life-threatening outcomes such as respiratory depression, hypotension, coma, and death, particularly when the drug is combined with other CNS depressants.

Official government labeling mandates immediate medical attention for specific, critical signs. Urgent medical care must be sought if the patient exhibits slowed or difficult breathing, becomes unresponsive, or experiences excessive sleepiness/sedation. Caregivers are advised to seek emergency help if the patient is hard to wake up, shows slow breathing with long pauses, or has blue colored lips.

Management documented in official sources is strictly symptomatic and supportive. This approach requires close monitoring of vital signs and continuous observation for signs of respiratory depression. The official label notes that the benzodiazepine antagonist Flumazenil may be considered as a treatment option in specific overdose scenarios. Older adults and patients with hepatic impairment are identified as populations requiring special consideration due to increased sensitivity.

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Therapeutic Uses of Frisium 10 mg

What Frisium 10 mg Treats: Main Uses and Benefits

Frisium 10 mg (Clobazam) is a prescription medication used across two primary therapeutic domains, providing supportive relief for patients facing significant neurological and emotional distress. It is applied specifically to situations requiring supportive relief from heightened or disruptive symptom manifestations.

Key Therapeutic Applications

This medication is relevant for easing symptoms within two distinct contexts: epilepsy and refractory seizure disorders and the short-term symptomatic management of severe, disabling anxiety.

In the context of epilepsy, it is commonly used as an adjunctive treatment (add-on) for patients, including children and adults, whose condition is resistant to other standard therapies. It helps address seizure manifestations like atonic (drop) seizures and generalized tonic-clonic episodes.

For severe anxiety, the medication is applied during phases of acute distress to manage pronounced symptoms that cluster into patterns of excessive worry, mental tension, and physical restlessness.

“The medication's use is centered on supporting the patient during difficult episodes and helping maintain a sense of stability when symptoms are more noticeable.”

The use of the medication in both domains supports the management of symptom frequency and intensity, which contributes to easing the overall symptom load and assists with maintaining functional stability.

Quick Fact: Relief for Heightened Symptoms Frisium 10 mg is often used when symptoms related to increased neurological or physiological activity may be overwhelming, and where short-term symptomatic assistance is considered relevant to help patients cope more steadily.

Regulatory References

  1. Australian Therapeutic Goods Administration registration summary
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Eligibility and Restrictions for Use

Frisium 10 mg (Clobazam) eligibility is defined by clear regulatory restrictions and absolute contraindications documented in official government labeling. Use is generally permitted for adults and for pediatric patients 2 years of age or older as an adjunctive treatment for certain seizure disorders. However, use is strongly restricted in younger children; it must not be given to children between 6 months and 3 years old, except in exceptional cases for anticonvulsant treatment.

The medication is contraindicated and must not be used in several populations. These exclusions apply to patients with severe hepatic insufficiency or severe respiratory insufficiency, Myasthenia Gravis, sleep apnoea syndrome, or a history of drug or alcohol dependence.

For pregnancy, use is not recommended and should be avoided, and the medication is formally contraindicated during lactation. Use is considered conditional for elderly patients and those with mild to moderate hepatic or renal impairment, requiring careful observation and low initial doses. Data for use in severe renal failure is not established.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Frisium 10 mg (Clobazam) outlines specific interaction patterns based on pharmacodynamic and pharmacokinetic effects.

Contraindicated and High-Risk Combinations

The most significant restriction concerns co-administration with opioids, which is associated with a formally documented risk of profound sedation, respiratory depression, coma, and death due to additive Central Nervous System (CNS) depressant effects. Similarly, co-use with alcohol is advised against, as it is documented to increase clobazam blood levels by approximately 50%, intensifying the risk of severe CNS depression.

Metabolic and Pharmacokinetic Interactions

Clobazam acts as a weak inhibitor of CYP2D6, which may necessitate adjustment of the co-administered substrate drug. A clinically significant pharmacokinetic interaction occurs when the medication is combined with strong or moderate CYP2C19 inhibitors (e.g., fluconazole, fluvoxamine), resulting in increased exposure to the active metabolite, N-desmethylclobazam. Furthermore, co-use of Cannabidiol (CBD) has been shown to result in a three- to four-fold elevation of N-desmethylclobazam plasma levels.

Other Documented Constraints

The official profile notes that Clobazam use may reduce the effectiveness of hormonal contraceptives; therefore, patients are required to use a non-hormonal birth control method during and for a specified period after treatment. For patients identified as CYP2C19 Poor Metabolizers or those who are geriatric, an altered dosage is typically necessary due to documented higher plasma concentrations of the active metabolite.

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Mechanism of Action

Frisium (clobazam) functions as a positive allosteric modulator primarily targeting the gamma-aminobutyric acid type A (GABAA) receptor complex within the central nervous system.

The GABAA receptor is a ligand-gated chloride ion channel. Clobazam binds at the benzodiazepine site, an allosteric pocket typically located between the alpha and gamma subunits, demonstrating preferential affinity for receptors containing the alpha 2 and alpha 3 subunits. The binding of clobazam does not directly open the channel but instead enhances the affinity of the endogenous inhibitory neurotransmitter, GABA, for its own binding site.

This allosteric interaction increases the frequency of chloride ion channel opening events in the presence of GABA. The resultant elevated influx of negatively charged chloride ions ( Cl^-) into the postsynaptic neuron leads to hyperpolarization of the neuronal membrane. This postsynaptic membrane hyperpolarization raises the neuron's threshold for action potential generation, which systemically results in a reduction of general neuronal excitability and an overall inhibitory modulation of central nervous system activity.

Clobazam undergoes hepatic metabolism via CYP3A4 and CYP2C19 to form the active metabolite, N-desmethylclobazam (norclobazam), which also contributes to the positive allosteric modulation of the GABAA receptor.

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Dosage and Administration Information

The administration of Frisium 10 mg (clobazam) follows standardized protocols to ensure consistent use across therapeutic contexts.

Administration and Dosage Rules

Property General Administration
Route of Administration Oral administration (tablet).
Dosing Schedule Initial doses are typically 10 mg daily for adults/adolescents >30 kg or 5 mg daily for certain populations like older adults and patients with mild-to-moderate hepatic impairment. Maximum daily doses range from 40 mg to 60 mg depending on the indication and jurisdiction.
Frequency and Timing Daily doses greater than 5 mg are often given in divided doses; however, doses up to 30 mg can be administered as a single evening dose. When divided, the larger portion is generally recommended for the evening.
Preparation and Intake The tablets are scored and can be divided into equal 5 mg halves for dose adjustment. They may be taken with or without food. For administration assistance, tablets can be crushed and mixed with soft food.

Use Protocol and Population Adjustments

Procedural Steps:

  • Titration: Dose escalation proceeds gradually, with increases occurring no more rapidly than once weekly.
  • Duration Constraint: Use for severe anxiety is restricted to the shortest possible duration, generally not exceeding 8 to 12 weeks (including the gradual withdrawal period).
  • Discontinuation: The medicine is not stopped abruptly. The process involves a gradual dose reduction (tapering by 5–10 mg weekly).

Population Adjustments:

Older adults and individuals with certain conditions like mild to moderate hepatic impairment or CYP2C19 poor metabolizer status utilize a reduced starting dose (5 mg daily) and a slow titration process.

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Recent Clinical Evidence

Research Evidence / Overview of Studies

Mechanism of Action: How Studies Examined the Compound’s Focus

Research has explored the compound's research focus, which explores specific neurological activity. Studies have evaluated whether this activity might correlate with nerve signal transmission. Evidence remains limited regarding the full downstream physiological effects investigated.


Compound Efficacy in Target Conditions

Short-Term Symptom Management

Research examined the effects of the combination, with some studies reporting observed changes in the initial time point of symptom change. Trial duration for this assessment was typically limited to one week. Findings were mixed regarding the consistency of this initial observation across all patient subgroups studied.

Long-Term Data and Assessment of Change

Clinical trials have assessed the dosage, and the long-term safety and the potential for changes in symptom frequency over time were evaluated. Data analysis focused on reported patient symptoms and objective biomarker levels. It is not yet clear whether this effect is maintained beyond the study’s duration.

Comparative Trials and Combination Studies

Furthermore, studies compared the compound to traditional treatments to examine whether a reduction in pain was observed. Research also explored the drug's use in combination with a secondary agent to evaluate its influence on overall quality of life metrics reported by participants. The results of these combination studies are still undergoing full statistical review.


Pharmacokinetic and Safety Profiles

Absorption and Compound Path

Clinical studies evaluated the drug's absorption when taken with food. Research also focused on the compound’s half-life and its path through the body. Research indicates the compound’s processing primarily occurs in the liver.

Observed Adverse Events

Studies recorded the frequency and severity of all adverse events (AEs) reported by participants. The most common observed adverse events were recorded during the trials. Researchers also tracked the incidence of serious adverse events (SAEs), which remain rare in the data gathered. These findings are part of the overall data gathered in the studies.

Key Studies & References

  1. NICE Guideline: Epilepsies: diagnosis and management (NG217)
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Frequently Asked Questions (FAQ)

Common questions about Frisium 10 mg (FAQ)

Q: Why is Frisium also known by the names Clobazam or Onfi?

A: The active ingredient in Frisium 10 mg is Clobazam. Official product information indicates that Frisium is a brand name for Clobazam, and Onfi is another common brand name for the same drug, primarily used in the United States.

Q: Is Frisium 10 mg used as a primary treatment or an add-on therapy for epilepsy?

A: According to regulatory indications, Frisium is primarily prescribed for the adjunctive treatment of certain seizure disorders. This means it is designed to be used as an add-on therapy alongside a patient's existing anti-seizure medications, rather than as a single primary treatment.

Q: Are changes in mood or feelings of depression common when taking Frisium?

A: Official regulatory documents list depression, irritability, and mood or behavior changes among the reported side effects. Any sudden or unusual changes in mood or behavior should be noted.

Q: Can Frisium be taken safely at the same time as other anti-seizure medications (AEDs)?

A: Clobazam is officially indicated for adjunctive treatment in epilepsy. This means the drug is designed to be used alongside other anti-epilepsy drugs to manage seizure disorders.

Q: How long does it typically take for Frisium to start working or for effects to be noticed?

A: Clinical information indicates that the active drug levels in the body typically take approximately five to nine days to reach a stable concentration (steady state). Because of this necessary time frame, dose adjustments are often recommended to be made gradually, typically no more rapidly than once weekly.

Q: Is Frisium 10 mg considered a short-term or long-term treatment option?

A: The duration of use depends on the condition it is treating. For severe anxiety, its use is typically restricted to the shortest possible duration, often limited to a few weeks. However, when prescribed for epilepsy, it is commonly used as a long-term maintenance treatment.

Q: What are the general signs that a patient is experiencing an allergic reaction to Frisium?

A: Signs of a general allergic reaction may include skin rash, itching, shortness of breath, or swelling of the face, lips, or tongue. These symptoms are listed in official product information as signs to be aware of.

Q: What is the difference between Clobazam and its metabolite N-desmethylclobazam?

A: Clobazam is the parent drug, while N-desmethylclobazam (or norclobazam) is the main substance created after the liver processes Clobazam. Regulatory data confirms this metabolite is also active and contributes to the drug’s overall effect, but it stays in the body for a longer period than the original drug.

Q: Does Frisium treat different types of seizures or primarily one kind?

A: The medication is approved for use in controlling certain types of epilepsy and is specifically indicated for treating seizures associated with Lennox-Gastaut Syndrome (LGS).

Q: Does Frisium cause long-term or permanent memory problems?

A: Official product information lists loss of memory as one of the reported side effects. Patients should consult their healthcare provider if they have concerns about memory changes while taking this medication.

Q: Is there a link between Clobazam use and weight gain?

A: Yes, official regulatory documents list weight gain as one of the reported side effects of this medication.

Q: Do patients commonly experience confusion or lack of concentration on this medication?

A: Official safety information lists both confusion and lack of concentration among the reported side effects. These effects are often related to the drug's activity as a Central Nervous System (CNS) depressant.

Q: What is the general information about suicidal thoughts or behavior and Clobazam?

A: Warnings are issued that Clobazam, like other antiseizure drugs, may increase the risk of suicidal thoughts or behavior in a small number of patients. Regulatory guidelines indicate that monitoring is required for new or worsening symptoms of depression or unusual changes in mood.

Q: Are there any reported side effects that are more common in children than adults?

A: Clinical trials for the medication have identified specific side effects that are tracked in pediatric patients. For example, drooling and pyrexia (fever) were reported in pediatric studies, indicating unique safety data is gathered for this population.

Q: What does 'tolerance' mean in the context of taking Clobazam over time?

A: Tolerance is recognized as a potential issue with long-term use, and it is defined in regulatory-aligned studies as the partial or complete loss of the drug's therapeutic effectiveness over time.

Q: What are the general recommendations about driving while taking Frisium?

A: Due to the risk of drowsiness and dizziness, official warnings advise against driving a car, operating heavy machinery, or participating in other hazardous activities until the individual knows how the medication affects their concentration and function.

Q: What kinds of non-prescription medicines or supplements interact with Frisium?

A: Explicit warnings exist against combining Frisium with alcohol. Furthermore, using the supplement Cannabidiol (CBD) can lead to significantly increased levels of the active drug metabolite. General caution is advised for any over-the-counter medicines that cause sleepiness.

Q: Does the time of day a patient takes Frisium affect the severity of side effects?

A: Regulatory instructions recommend that if a patient takes a divided daily dose, the larger portion is generally recommended for the evening. This strategy is advised to minimize potential daytime side effects, such as drowsiness and fatigue.

Q: Is it normal for a patient to feel a 'hangover' sensation the morning after taking Frisium?

A: Official product information lists a 'hangover feeling in the morning' as one of the reported side effects. This sensation is often related to the drug's long-acting nature and its effect as a Central Nervous System depressant.

Q: Can the effectiveness of Frisium lessen over time (tachyphylaxis)?

A: Yes, regulatory-aligned data notes that the development of tolerance (the reduced response to the same dose) may limit the medication's long-term effectiveness in treating epilepsy. This phenomenon is why the long-term response is an area of study.

Q: Is there any information on the general expected outcome if a dose is accidentally missed?

A: General regulatory advice regarding a missed dose states that taking the dose as soon as it is remembered is an option. If it is close to the next scheduled dose, the guidance is generally to resume the normal schedule.

Q: What kind of medical monitoring is typically needed when a patient is taking Frisium?

A: Official warnings require patients to be closely monitored for several key safety concerns. This includes monitoring for signs of respiratory depression, increased suicidal thoughts or behaviors, and symptoms of severe Central Nervous System (CNS) depression.

Q: Is Frisium used outside of treating epilepsy in any other conditions?

A: Yes, in addition to epilepsy, regulatory documents indicate that Frisium is also approved for the short-term symptomatic treatment of severe anxiety.

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How should Frisium 10 mg be stored and disposed of?

How to Store and Dispose of Frisium 10 mg

Official regulatory documents define specific requirements for storing and disposing of Frisium (Clobazam) 10 mg tablets to ensure quality and safety.


Required Storage Conditions

  • Temperature: The product must be stored at a temperature below 25^circC (77°F).
  • Packaging: Tablets must remain in their original container/packaging to protect them from environmental factors like light and moisture.
  • Child Safety: It is mandatory to keep Frisium 10 mg out of the sight and reach of children.
  • Stability: The medicine must not be used after the expiration date printed on the packaging.

Official Disposal Instructions

Disposal procedures must follow established protocols for pharmaceutical waste.

  • Prohibition: Do not discard the medicine via wastewater or household waste.
  • Procedure: Any unused or expired product must be disposed of in accordance with local requirements, often by returning it to a pharmacist or designated take-back point.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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