Cloba

Quick links to important sections

Medically reviewed

Rosario Oropesa

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.

Overview of Cloba

Quick Facts

Property Description
Active ingredient Clobetasol propionate
Form Topical formulations (Cream, Ointment, Solution, Foam)
Pharmacological class Corticosteroid (Glucocorticoid)
Common use Relief of severe skin inflammation and itching
Origin Synthetic, Halogenated

What Type of Medicine is Cloba? (Identity and Classification)

Cloba is the designation for pharmaceutical products containing the active ingredient Clobetasol propionate, a powerful, synthetic compound intended for direct topical application. It is classified as a super-high potency topical corticosteroid, positioning it within the strongest group (Class I) of dermatological steroids utilized in clinical practice. This classification is clinically recognized for identifying agents with the most profound effect in controlling severe skin inflammation.

The active ingredient is a synthetic fluorinated glucocorticoid, a chemically modified compound engineered to significantly enhance its anti-inflammatory efficacy and tissue penetration compared to milder alternatives. This high potency is a key differentiator, making it a prescription-only medicine suitable for the short-term management of severe, non-responsive skin conditions.


What is Clobetasol Propionate Made Of and How is it Used? (Composition and Form)

The medicinal product is a single-ingredient formulation comprising Clobetasol propionate integrated into a suitable pharmaceutical vehicle for topical administration. These vehicles are the carrier compounds—including creams, ointments, gels, foams, solutions, and sprays—that enable the drug's delivery and influence its absorption rate. The specific form chosen, such as an ointment base being more occlusive than a solution, ensures optimal delivery based on the target area of application and the skin condition's needs.


What is the General Purpose of This Potent Corticosteroid? (Purpose and High-Level Action)

The medicine's primary therapeutic role is to provide strong and rapid relief from the severe inflammatory and pruritic manifestations of corticosteroid-responsive skin conditions. Clobetasol propionate acts as a powerful anti-inflammatory and antipruritic agent by rapidly inhibiting the body's local chemical signals that trigger and sustain irritation, swelling, and chronic itching. This intense action is characterized by its superior glucocorticoid activity, making it a suitable choice for acute flare-ups of chronic, recalcitrant dermatoses.

What side effects are possible with Cloba?

Possible Side Effects and Safety Information

The safety profile of Cloba, which contains the super-high potency corticosteroid Clobetasol propionate, includes both frequent local skin reactions and documented potential for systemic effects.

Adverse Reaction Scope

Category Documented Characteristics (Strictly Regulatory)
Local Dermatological Effects Burning/stinging, pruritus, irritation, erythema, folliculitis, skin atrophy (thinning), telangiectasia, dryness, cracking, secondary infection, striae.
Systemic Effects Risk of Hypothalamic-Pituitary-Adrenal (HPA) axis suppression, which can lead to manifestations of Hypercortisolism (Cushing's syndrome), hyperglycemia, and glucosuria.
Serious Adverse Reactions HPA axis suppression leading to glucocorticosteroid insufficiency, glaucoma, and posterior subcapsular cataract formation are documented risks.

Safety Considerations and Restrictions

Exposure and Duration-Related Patterns

Regulatory documents explicitly state that the risk of systemic absorption and associated effects is increased by prolonged use, application over large surface areas, or use under occlusion (bandaging). Systemic effects may appear both during treatment and upon its withdrawal.

Population-Specific Notes

Pediatric patients are identified as being at greater risk of systemic toxicity, including HPA axis suppression, linear growth retardation, and delayed weight gain, due to their higher skin surface area-to-body mass ratio. Use is generally not recommended in children under 12 years of age.

Contraindications

The medicine is contraindicated in individuals with untreated cutaneous infections, rosacea, acne vulgaris, perioral dermatitis, pruritus without inflammation, and dermatoses in infants under one year of age.

Overdose and Emergency Response

Overdose and when to seek help

Feature Description (Strictly Label-Derived)
Documented overdose presentations Manifestations of Hypercortisolism (Cushing’s Syndrome) and laboratory evidence of HPA axis suppression can result from sufficient systemic absorption.
Physiological systems affected Endocrine System (HPA axis suppression, glucocorticosteroid insufficiency, hyperglycemia).
Exposure-related factors Systemic effects are primarily associated with chronic overdosage or misuse, specifically prolonged use, large surface area application, or use under occlusion.
Population-specific overdose notes Pediatric patients are identified as being more susceptible to HPA axis suppression and systemic toxicity due to a higher body surface area to mass ratio.
Emergency-response statements If accidental ingestion occurs, or if systemic toxicity is suspected, contact a local poison control center or emergency room at once.
When immediate medical help is required Immediate medical attention is required upon the observation of systemic toxicity manifestations or following accidental ingestion.

Overdose classifications (high-level)

Feature Description (Strictly Label-Derived)
Severity classification Systemic effects such as Adrenal Insufficiency and the resulting Acute Adrenal Crisis are documented as serious, potentially life-threatening outcomes of severe HPA axis suppression.
Regulatory basis This profile is based on the official prescribing information from regulatory authorities, including the FDA and NIH DailyMed.
Overdose-context constraints Acute overdosage is considered unlikely with topical use; the risk is tied to chronic, excessive absorption.

Resulting overdose structure

Official overdose statements:

  • Overdose symptoms may manifest as features of Hypercortisolism (Cushing's Syndrome) due to excessive systemic absorption.
  • HPA axis suppression is a documented physiological consequence, which may lead to glucocorticosteroid insufficiency upon withdrawal.
  • Management involves symptomatic and supportive treatment, with the medicine being gradually withdrawn if HPA axis suppression is noted.
  • No specific antidote is known to counteract the systemic effects of Clobetasol propionate.
  • Periodic evaluation for HPA axis suppression using tests such as the ACTH stimulation test may be required.

Connection to the overall overdose profile: Regulatory documents define the overdose profile primarily through the risk of systemic corticosteroid toxicity, noting that chronic misuse or over-application can lead to HPA axis suppression. Official labeling mandates that immediate medical attention must be sought upon suspicion of these systemic effects or in cases of ingestion. The required procedural steps are symptomatic and supportive treatment coupled with the gradual withdrawal of the medicine under professional supervision.

Therapeutic Uses of Cloba

What Cloba Treats: Main Uses and Benefits

The primary therapeutic role of Clobetasol propionate is to provide supportive symptomatic relief for specific, severe skin disorders. It is commonly used in conditions where symptoms may not have responded to standard topical support.

The medicine is indicated for the relief of inflammatory and pruritic manifestations of corticosteroid-responsive dermatoses.

The medication is applied in addressing the acute symptom cluster of intense, distressing itching (pruritus), noticeable swelling, and noticeable redness (erythema). This topical agent is commonly used for conditions characterized by periods of heightened symptoms, including moderate-to-severe plaque psoriasis, eczema (atopic dermatitis) that has shown difficult-to-manage symptoms, and specific lesions in conditions like lichen planus. Its application generally contributes to easing the overall symptom load and helps improve day-to-day comfort. The medicine plays a role in managing symptoms that create noticeable functional strain.

Quick Fact: Relief for Severe Dermatoses
Primary Target Symptoms Intense itching, noticeable swelling, noticeable redness
Typical Conditions Managed Psoriasis, eczema (episodic or fluctuating manifestations), lichen planus
Core Patient Benefit Supports easing overall symptom burden and assists with maintaining functional stability
Context of Use Relevant when supportive symptom management is appropriate

Regulatory References

  1. NIH DailyMed overview

Eligibility and Restrictions for Use

The eligibility for using Cloba (Clobetasol propionate) is strictly defined by regulatory bodies and involves limitations concerning age, concurrent conditions, and application sites due to its high potency.

Populations for Whom Use is Contraindicated

Official labeling contraindicates use in patients with a history of hypersensitivity to the drug or its components. It is also prohibited for treating specific non-responsive skin conditions, including rosacea and perioral dermatitis. Use on primary cutaneous infections of the scalp (for the solution) or other untreated skin infections is generally not recommended or requires the infection to be adequately controlled first.

Age-Related Eligibility Rules

Age Group Regulatory Status Restriction Context
Children under 12 years Not Recommended Increased susceptibility to systemic toxicity (HPA axis suppression).
Adolescents (12–17 years) Restricted Use Use should be limited and carefully monitored for signs of systemic toxicity.
Geriatric Patients Use with Caution Sufficient data is not established to rule out different responses; caution is warranted.

Conditional Use and Restrictions

Use is not recommended on the face, groin, or axillae (underarms) due to the higher risk of local effects and absorption. The medicine should not be used on skin where atrophy is present. During pregnancy and lactation, use is only justified if the potential benefit outweighs the potential risk to the fetus or nursing infant.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Category Official Regulatory Information
Medicinal product categories with documented interactions Potent CYP3A4 inhibitors; Other Corticosteroids (topical or oral); Immunosuppressive agents.
Specific interacting medicines (if explicitly listed) Ritonavir; Itraconazole.
Mechanistic basis of interactions (only if stated in label) Pharmacokinetic inhibition of metabolism (via CYP3A4); Pharmacodynamic additive effects.
Timing-based interaction rules (if applicable) None are explicitly listed as mandatory separation requirements.
Population-specific interaction notes (if applicable) Patients with Liver Failure (increased systemic toxicity risk due to reduced clearance); Elderly Patients (greater frequency of decreased hepatic/renal function may delay elimination).
Interaction-related restrictions Caution is noted for co-administration with other corticosteroids or immunosuppressants due to the risk of cumulative systemic effects.

Category Official Regulatory Information
Interaction severity classification (as defined in official documents) Clinically Significant (due to potential for increased systemic exposure and HPA axis suppression).
Regulatory basis EMA Summary of Product Characteristics and FDA Prescribing Information.
Interaction-context constraints Interaction risk is primarily linked to systemic absorption and cumulative corticosteroid load.

Official interaction statements:

  • Co-administration with potent CYP3A4 inhibitors (e.g., Ritonavir, Itraconazole) is documented to inhibit the metabolism of clobetasol propionate, leading to an increased systemic exposure of the corticosteroid.
  • Concomitant use with other topical or systemic corticosteroids or immunosuppressive agents may result in an additive pharmacodynamic effect, raising the risk of cumulative systemic effects, such as HPA axis suppression.
  • The risk of systemic toxicity resulting from interactions with metabolic inhibitors is heightened in patients with hepatic impairment due to the potential for reduced clearance.
  • No specific interactions with food, alcohol, or herbal products are explicitly documented in the regulatory labeling for the single-ingredient formulation.

Connection to the overall interaction profile

The medicine's official interaction structure is defined by its hepatic metabolism, which makes it susceptible to pharmacokinetic inhibition by potent CYP3A4 inhibitors, leading to an increase in systemic levels. Regulatory documents also establish pharmacodynamic interaction constraints regarding the cumulative systemic effects that result from co-administering the drug with any other corticosteroid. These two domains outline the product’s regulatory interaction structure.

Mechanism of Action

Cloba (clobazam) is a 1,5-benzodiazepine derivative that functions within the central nervous system as a positive allosteric modulator at the GABA A receptor complex. It binds to the benzodiazepine site, located at the interface of the alpha and gamma subunits, primarily demonstrating increased affinity for receptors containing the alpha2 subunit. This interaction enhances the effect of the inhibitory neurotransmitter, gamma-aminobutyric acid (GABA), without directly activating the receptor itself.

The allosteric modulation increases the frequency of chloride ion channel opening mediated by GABA A binding. The resulting heightened influx of negatively charged chloride ions into the post-synaptic neuron causes hyperpolarization of the neuronal membrane potential. This shift in membrane potential elevates the threshold required for action potential generation. The system-level consequence is a general dampening of neuronal hyperexcitability and a reduction in the firing frequency of central nervous system neurons. Its major circulating metabolite, N-desmethylclobazam, possesses a similar mechanism of action.

Dosage and Administration Information

How Cloba is Used: Official Administration and Dosing Principles

The usage of Cloba, or Clobetasol propionate, is strictly defined due to its super-high potency as a topical corticosteroid. The medicine is for topical use only and is restricted from ophthalmic, oral, or intravaginal administration.


Standard Dosing and Frequency

Administration for most topical forms (cream, ointment, gel) involves applying a thin layer to the affected skin areas and gently rubbing it in, typically twice daily (morning and evening). The total amount used is critically restricted and must not exceed 50 grams or 50 mL per week, regardless of the specific formulation used.


Duration and Procedural Constraints

Treatment is intended for short-term use only, most commonly limited to 2 consecutive weeks. For certain severe indications like localized plaque psoriasis, an extension up to 4 consecutive weeks may be documented in prescribing information, but the maximum weekly dose limit remains absolute. Therapy must be discontinued immediately when control is achieved, even if this occurs before the maximum duration is reached.

Key administration rules mandate that the treated area must not be covered with an occlusive dressing unless specifically directed. Application must also be avoided on sensitive areas such as the face, groin, and axillae, and hands should be thoroughly washed after each application.


Population-Specific Notes

The use of Clobetasol propionate is generally not recommended for children under the age of 12 years for most general dermatoses formulations, due to increased susceptibility to systemic exposure.

Recent Clinical Evidence

Cloba: Recent Clinical Evidence

Clinical research has primarily focused on the use of clobazam as an adjunctive therapy (add-on treatment) for seizures associated with Lennox-Gastaut syndrome (LGS) in patients aged two years and older. LGS is a severe form of epilepsy that often proves resistant to standard anti-seizure medications, highlighting the need for additional treatment options.

Efficacy Findings

The pivotal clinical trial that supported the use of clobazam in LGS—a randomized, double-blind, placebo-controlled study (known as the CONTAIN trial)—investigated its impact on drop seizures (atonic, tonic, or myoclonic seizures leading to falls). Across various dosage groups in this trial, the introduction of clobazam was associated with a greater median percentage reduction in the weekly frequency of drop seizures from baseline, compared to placebo. A median reduction of approximately 58.5% to 85.0% in drop seizures was observed during the maintenance phase, depending on the dose group, compared to a median reduction of 34.7% for the placebo group. Separately, long-term, open-label extension studies involving patients who continued treatment have reported maintenance of seizure frequency reduction over periods exceeding 24 months in some cohorts.

Safety and Tolerability

In the controlled trials, clobazam was generally observed to be tolerated by patients. Common treatment-emergent adverse events reported were consistent with those of other benzodiazepines, and frequently included somnolence (sleepiness), lethargy, and pyrexia (fever). Other reported adverse events included difficulty with coordination and drooling. The percentage of patients experiencing these events varied across the dosage groups. Researchers continue to monitor the long-term safety profile of clobazam through ongoing studies.

Frequently Asked Questions (FAQ)

Common questions about Cloba (FAQ)

Q: Is Cloba the same type of medicine as Xanax?

A: Cloba (Clobazam) and Xanax (alprazolam) are both classified as benzodiazepine medicines, meaning they work similarly on the central nervous system. However, they have different chemical structures and are approved by regulatory authorities for different purposes. Clobazam is specifically a 1,5-benzodiazepine, while alprazolam is a 1,4-benzodiazepine.


Q: How quickly does Cloba start working after a dose?

A: Official information indicates that Cloba (Clobazam) typically reaches its highest concentration in the blood within one to four hours after a person takes a dose. This time frame can vary among individuals. The official prescribing information provides details about the onset of effects.


Q: How is Cloba different from other benzodiazepines?

A: Cloba is structurally different from many other medicines in its class; it is classified as a 1,5-benzodiazepine, while many common benzodiazepines are 1,4-benzodiazepines. According to regulatory documents, Clobazam also demonstrates a tendency to target specific binding sites on the brain's GABA A receptors, which may influence its effects.


Q: Does Cloba interact with common over-the-counter pain relievers?

A: Clinically significant interactions have not been noted between Cloba and widely used over-the-counter pain relievers, such as acetaminophen. Regulatory guidance mentions the importance of discussing all medicines, vitamins, and supplements being used with a healthcare professional.


Q: What does it mean that Cloba has an 'on-label' use?

A: The term 'on-label' refers to the specific medical condition or use for which a drug has received official approval from regulatory bodies like the FDA. For Cloba (Clobazam), its approved, or 'on-label,' use is as an add-on treatment (adjunctive therapy) for seizures associated with Lennox-Gastaut syndrome.


Q: How long does Cloba stay in your system?

A: Cloba (Clobazam) is considered a long-acting medicine. Official pharmacokinetic data indicates the drug has a long median half-life—meaning the time it takes for half the drug to be eliminated from the body—of greater than 36 hours. Its primary active circulating metabolite, N-desmethylclobazam, has an even longer half-life.


Q: Is Cloba a new or established medication?

A: Clobazam is considered an established medication. It has been available internationally for several decades, initially used for anxiety. It was approved by the FDA in the United States in 2011 specifically for its use as an adjunctive therapy for Lennox-Gastaut syndrome.


Q: Can Cloba cause weight gain or weight loss?

A: Clinical trial data sometimes report changes in appetite and weight gain as potential side effects. Like many medicines, the way Cloba affects weight can vary significantly between individuals. The full product label contains a complete list of possible side effects observed in studies.


Q: Is Cloba habit-forming or physically dependent?

A: Yes, regulatory documents indicate that Cloba (Clobazam) is a controlled substance. This classification reflects the risk for misuse, which could lead to physical or psychological dependence. The drug label includes warnings about the risks of addiction and dependence.


Q: What is the longest period of time people typically use Cloba?

A: For its approved use in Lennox-Gastaut syndrome, Cloba is generally considered a long-term therapy. Studies following patients who continue treatment have reported use with maintained effectiveness for periods exceeding two years in some cohorts.


Q: Is there a generic version of Cloba available?

A: Yes, Clobazam is the generic active ingredient that corresponds to the brand-name product. Generic versions are approved by regulatory authorities to be therapeutically equivalent to the brand-name product.


Q: Do you have to take Cloba every day?

A: For its approved indication in Lennox-Gastaut syndrome, Clobazam is prescribed for daily administration. Official information describes that for daily use, the total amount may be taken in divided doses.


Q: Can Cloba affect a person's mood?

A: Yes, official prescribing information notes that Clobazam may be associated with behavioral changes. These changes can include mood swings, irritability, hostility, and, less commonly, aggression. Regulatory warnings also caution about a risk of suicidal thoughts or behavior.


Q: Is Cloba considered a controlled substance?

A: Yes, regulatory bodies classify Cloba (Clobazam) as a Schedule IV controlled substance. This designation is applied to drugs that have a recognized potential for abuse, dependence, and misuse.


Q: Is Cloba often used alongside other medicines?

A: Yes, for its approved indication, Cloba is specifically used as adjunctive therapy. This means it is intended to be used as an add-on treatment, used concurrently with other anti-seizure medicines rather than being used alone.


Q: Do the side effects of Cloba go away over time?

A: Information related to patient experience suggests that some side effects, such as initial drowsiness or sleepiness (somnolence), are often most noticeable when first starting the medication. These effects may lessen or resolve as the body adjusts to the medicine over the first few weeks of treatment.


Q: Can Cloba be used by people with kidney issues?

A: Official information indicates that no dose adjustment is typically necessary for people with mild to moderate kidney dysfunction. Use in patients with severe kidney dysfunction has not been established in the official prescribing information.


Q: Why is Cloba sometimes prescribed for conditions besides seizures?

A: While the current primary approved use is for a specific seizure condition (LGS), Clobazam was initially introduced and utilized internationally for the management of anxiety before receiving its specific US approval for epilepsy.


Q: Does Cloba affect the ability to concentrate or drive?

A: The drug is a central nervous system depressant and is associated with effects like sleepiness and reduced alertness. Regulatory warnings indicate that due to effects on alertness, activities like driving, operating heavy machinery, or engaging in tasks requiring mental alertness should be approached with caution.


Q: Are there different strengths of Cloba tablets?

A: Yes, the Clobazam active ingredient is available in multiple forms to accommodate different patient needs. This includes various strengths of oral tablets (e.g., 10 mg and 20 mg), an oral suspension (liquid), and other formulations like oral films.


Q: Does Cloba interact with hormonal birth control?

A: Yes, official interaction data indicates that Clobazam may potentially reduce the effectiveness of hormonal contraceptives. The potential need for alternative or additional non-hormonal contraceptive methods is a topic for discussion with a healthcare provider.


Q: Is it common to feel drowsy when first starting Cloba?

A: Yes, drowsiness (somnolence) is one of the most frequently reported side effects in clinical trials. This is particularly common when the medicine is first started or when a person undergoes a dose adjustment.


Q: What happens if someone suddenly stops taking Cloba?

A: Official warnings state that abrupt cessation of Cloba can lead to withdrawal symptoms. These symptoms can include agitation, tremors, anxiety, and a return or increase in seizure activity. Reduction of the medication is typically done gradually and requires medical supervision.


Q: Is Cloba available as a liquid or syrup?

A: Yes, Clobazam is available in a liquid form, known as an oral suspension (2.5 mg/mL). This formulation is intended for use in patients who cannot swallow tablets or capsules.


Q: Does Cloba affect cognitive function?

A: Yes, as a central nervous system depressant, Cloba is noted in regulatory warnings to affect cognitive function. This can lead to side effects such as confusion, difficulty speaking (slurred speech), and memory difficulties.


Q: What is the difference between brand-name Cloba and its generic equivalent?

A: The brand-name product and its generic equivalent (Clobazam) contain the identical active drug ingredient at the same dose and in the same form. Generic medicines are subject to the same strict standards as the brand-name product and are approved by the FDA as therapeutically equivalent.


Q: Can Cloba be used by people with a history of substance use?

A: Regulatory warnings indicate that Clobazam, due to its potential for misuse and dependence, should be used with caution in individuals who have a history of drug or alcohol abuse or dependence.


Q: Are there specific tests required before starting Cloba?

A: While no universal pre-treatment test is strictly mandated for all patients, official prescribing information recommends consideration of certain tests, such as monitoring of hepatic (liver) function, particularly for patients known to have existing liver problems.


Q: Is it true that Cloba is not a first-line treatment for its indications?

A: Yes, for its approved indication (Lennox-Gastaut syndrome), Cloba (Clobazam) is explicitly indicated as adjunctive therapy. This terminology means it is intended to be added to an existing drug regimen and is not typically used as the initial, or first-line, medicine.


Q: Does Cloba cause hair loss?

A: Hair loss (alopecia) has been observed as a side effect with some anti-seizure medicines. While Clobazam is part of this class, hair loss is generally not listed as one of the common or frequent adverse events in the core product information.

How should Cloba be stored and disposed of?

Official Storage and Disposal Requirements for Cloba (Clobetasol Propionate)

Clobetasol propionate must be stored according to regulatory mandates to ensure potency and safety. Storage conditions are defined by both temperature and environmental protection rules.

Storage Category Official Requirement
Temperature Store at controlled room temperature, typically 20 C to 25 C (68 F to 77 F), and do not store above 30 C.
Handling/Safety The product must be kept out of the sight and reach of children and stored in its tightly closed container.
Prohibited Storage Flammable forms (spray, foam) must be kept away from heat or open flame.

Unused or expired medicine must be disposed of in accordance with local regulations and must not be emptied into drains or mixed with household garbage.

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

Available in countries:

Equivalent of Cloba found in:

A-Z Index: