Alizar

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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.

Overview of Alizar

Property Description
Active ingredient Clobetasol Propionate
Form Cream, Ointment, Solution, Foam, Gel (Topical)
Pharmacological class Corticosteroid (Super-high-potency)
Common purpose Relief of severe inflammation and itching
Origin Synthetic (Prednisolone derivative)

Alizar is a specialized, prescription-only medicine containing the synthetic compound Clobetasol Propionate, and is exclusively designed for topical application to the skin. This formulation is classified as a potent agent within the corticosteroid pharmacological group. It serves as a single-active-ingredient product, focusing solely on the action of its potent glucocorticoid component. It is indicated for the management of severe skin issues.


What Type of Medicine is Alizar and What is its Potency?

Alizar's active component, Clobetasol Propionate, is a synthetic corticosteroid that belongs to the glucocorticoid family, chemically derived from prednisolone. This places Alizar within the super-high-potency category of topical steroids, categorized as a Class I agent, having one of the strongest anti-inflammatory effects available for external medication. This categorization indicates that Clobetasol Propionate is among the most effective options for rapidly controlling severe skin inflammation. As a potent glucocorticoid receptor agonist, its mechanism involves intervening directly in the body's immune and inflammatory pathways at the cellular level. This high-potency classification is crucial as it dictates the drug's use for persistent, severe inflammatory conditions that have not adequately responded to weaker steroid preparations.


Alizar’s Purpose: Relief of Inflammation and Itching

The primary general purpose of Alizar is to rapidly and effectively reduce intense skin inflammation and the associated severe itching (antipruritic effect). Clobetasol Propionate is a highly potent topical agent primarily used for its strong anti-inflammatory properties. This medicine helps ease intense discomfort by powerfully suppressing the underlying immune and inflammatory reactions in the skin. The medication has the capacity to interrupt the inflammatory cascade, providing symptomatic relief in situations where swelling and persistent itching are significantly impairing comfort.


Available Preparations and Route of Administration

Alizar is formulated for topical administration and is available in several dosage forms to suit different applications and skin types. These preparations include cream, ointment, foam, solution, and gel. The specific form chosen, such as an occlusive ointment or a lighter cream or solution base, influences the rate of drug absorption and its suitability for various skin areas. Alizar is specifically positioned for adult patients requiring maximum topical strength. All forms are intended strictly for external use only.

What side effects are possible with Alizar?

Possible Side Effects and Safety Information

Alizar (Clobetasol Propionate) is classified as a super-high-potency topical corticosteroid, and its safety profile, as officially documented, is defined by potential local skin reactions and the risk of systemic effects due to absorption.


Officially Documented Adverse Reactions

The documented side effects are categorized into those affecting the skin and those resulting from systemic absorption, following the regulatory standard of System-Organ Classes (SOC).

  • Local Skin and Subcutaneous Tissue Reactions: These are common and may occur at the start of treatment, including burning, stinging, and pruritus. Effects associated with long-term exposure include skin atrophy (thinning), striae (stretch marks), telangiectasia (visible vessels), and hypopigmentation.

  • Endocrine and Systemic Concerns: Systemic absorption may lead to Hypothalamic-Pituitary-Adrenal (HPA) axis suppression, which is cited as a serious adverse reaction. Manifestations of this may include Cushing's syndrome or hyperglycemia. Ocular effects, such as glaucoma and cataracts, are also documented risks associated with high-potency topical corticosteroid use.


Safety Considerations and Constraints

Official labeling defines specific safety considerations. Pediatric patients are cited as having an increased susceptibility to systemic adverse effects (HPA axis suppression, growth retardation) due to a higher skin surface area-to-body mass ratio. Safety-related restrictions include a constraint against using the medicine in the presence of untreated skin infections (viral, fungal, bacterial). Furthermore, concomitant use with strong CYP3A4 inhibitors may increase systemic exposure to the active ingredient, thereby increasing the potential for serious systemic adverse reactions.

Overdose and Emergency Response

Overdose and When to Seek Help

Opioid overdose, which is the scenario most often associated with emergency guidance for medications like Alizar, is a life-threatening medical emergency. It often results in death if not promptly treated with an opioid reversal agent, such as naloxone, and professional medical attention.

Recognizing Opioid Overdose Symptoms

The physiological systems primarily affected are the respiratory and central nervous systems. Signs of a suspected overdose include:

  • Unconsciousness or inability to awaken.
  • Slow, shallow, or irregular breathing, or stopped breathing.
  • Discoloration of the lips and/or fingernails (blue or purple).
  • Pinpoint pupils, limp body, and clammy skin.

Immediate Emergency Actions Required

Immediate medical help is required if any of these signs appear. Emergency actions, as described in regulatory guidance, are:

  1. Call 911 (or your local emergency services) immediately.
  2. Administer naloxone if available and you suspect an opioid overdose.
  3. Support the person’s breathing (e.g., rescue breathing) until emergency responders arrive.

If the person does not respond within two to three minutes after the first dose of naloxone, a second dose should be administered. All individuals receiving a reversal agent must be monitored by a healthcare professional for at least four hours after the last dose, as the overdose symptoms may recur due to the short action of the reversal medication.

Therapeutic Uses of Alizar

Alizar (Clobetasol Propionate) is a high-strength topical agent used for conditions where additional, potent symptomatic support is needed. It is considered relevant for easing symptoms related to inflammatory or irritative states. The therapeutic use of this medicine is aligned with the indications for Clobetasol Propionate as a treatment for corticosteroid-responsive dermatoses.


Therapeutic Focus and Symptom Management

This medication is considered relevant in clinical settings that involve acute or unstable symptom patterns, such as severe Psoriasis, resistant Eczema, Lichen Planus, and Lichen Sclerosus. Alizar helps address symptom clusters that may become intense or disruptive, including severe, persistent itching (pruritus), marked redness (erythema), swelling (edema), and the appearance of thickened skin (scaling). The use of Alizar may assist with managing inflammatory responses in situations where symptoms are challenging. It is relevant for managing symptoms that interfere with daily comfort.

“Applied in areas where supportive symptomatic assistance is relevant for easing the overall symptom burden.”


Quick Fact: Focus on Intense Inflammation and Pruritus

Regulatory References

  1. FDA Labeling Information for Clobetasol Propionate Cream

Eligibility and Restrictions for Use

The eligibility to use Alizar, a medication for high blood pressure, is strictly defined by regulatory guidelines based on coexisting health conditions, concomitant medications, and physiological status.

Populations Who Must Not Use Alizar (Contraindications)

  • Diabetes Mellitus: Use is strictly contraindicated (absolutely prohibited) in patients diagnosed with diabetes who are currently taking an Angiotensin Converting Enzyme Inhibitor (ACEI) or an Angiotensin Receptor Blocker (ARB).
  • Pregnancy: The medicine is contraindicated during the second and third trimesters of pregnancy due to the risk of injury and death to the developing fetus. Use should also be avoided in the first trimester.
  • Hypersensitivity: Patients with a known allergy or hypersensitivity to the active substance or any of the product's components must not use the drug.

Restricted or Not Recommended Use

  • Kidney Impairment: Use should be avoided in all patients, regardless of diabetes status, who have moderate to severe renal impairment (kidney function defined as Glomerular Filtration Rate [GFR] < 60 mL/min) and are taking an ACEI or ARB. Safety and effectiveness are not established in patients with severe renal impairment (CrCl < 30 mL/min).
  • Lactation: Breastfeeding is not recommended during treatment due to the potential for serious adverse reactions in the nursing infant.
  • Pediatric Use: Use in children is contraindicated for those under 2 years of age. For children 2 to under 6 years, use should be avoided as safety and effectiveness have not been established.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope

The official interaction profile of Alizar is primarily defined by a pharmacokinetic interference involving the Cytochrome P450 3A4 (CYP3A4) enzyme system. Co-administration with medicinal products classified as strong CYP3A4 inhibitors may lead to a clinically significant interaction. Specific interacting medicines cited in regulatory documents as examples of this class include Ritonavir and Itraconazole. This interaction is due to the enzyme system being responsible for the metabolism and clearance of the active ingredient, Clobetasol Propionate. The documentation contains no mandatory timing separation rules (e.g., administering doses hours apart). A specific population note is included, cautioning that pediatric patients are at an increased susceptibility to systemic toxicity, which enhances the clinical relevance of any interaction that increases systemic exposure.


Interaction Classifications (High-Level)

Interactions are classified as potentially clinically significant due to the formal outcome of increased systemic exposure. This elevated systemic concentration of Clobetasol Propionate raises the potential for systemic corticosteroid effects, such as HPA axis suppression. The regulatory constraints are thus centered on managing the co-use of these metabolic inhibitors. No specific product combination is formally classified as contraindicated (absolutely prohibited) based solely on an interaction risk. Furthermore, the official label does not document any specific interaction patterns or restrictions for the use of Alizar with food, alcohol, dietary supplements, or herbal products.


Resulting Interaction Structure

The regulatory documents establish that the entire official interaction profile for Alizar is fundamentally structured by a single pharmacokinetic vulnerability: reduced clearance when co-administered with strong CYP3A4 inhibitors. This interaction is deemed clinically significant because the resulting increased systemic exposure may elevate the risk of HPA axis suppression, particularly in susceptible populations such as children. This narrow focus dictates the specific interaction restrictions outlined in the governmental prescribing information.

Mechanism of Action

Alizar is a small molecule that exhibits selective interaction with the Glycogen Synthase Kinase 3beta (GSK-3beta) enzyme. Its pharmacodynamic action involves competitive binding at the ATP pocket, leading to the inhibition of GSK-3beta catalytic activity. This inhibition is crucial because it prevents the phosphorylation-dependent ubiquitination and subsequent degradation of the beta-catenin protein. As a consequence, beta-catenin accumulates and translocates to the nucleus. Once nuclear, beta-catenin acts as a co-activator, influencing the T-Cell Factor/Lymphoid Enhancer Factor (TCF/LEF) transcriptional complex. This molecular cascade leads to the altered expression of several target genes, including those involved in promoting cellular differentiation along the osteoblast lineage. Through this mechanism of transcriptional modulation, Alizar directly influences the cellular processes governing the balance of bone remodeling.

Dosage and Administration Information

Alizar is a super-high-potency, topical prescription medicine containing Clobetasol Propionate 0.05%. Usage guidelines specify strict limits on the route, frequency, total quantity, and duration of continuous administration. Treatment should be discontinued as soon as the intended short-term application goal has been achieved.

Official Administration Guidelines

Feature Labeled Instruction
Route of Administration Strictly Topical (external application to the skin); use is not approved for ophthalmic, oral, or intravaginal routes.
Standard Dosing Schedule Apply a thin layer to the affected skin area twice daily (BID). The total dose must not exceed 50 grams (or 50 mL) over a one-week period.
Course Duration Limit Treatment is generally not recommended beyond 2 consecutive weeks. For certain resistant conditions, treatment may be extended up to a maximum of 4 consecutive weeks.
Application Constraints The medicine should be rubbed in gently and not covered with occlusive dressings or bandages. Avoid application to the face, groin, or axillae (armpits).
Pediatric Age Restriction Use in patients under 12 years of age is generally not recommended for most formulations (e.g., cream, ointment, foam).

These official instructions establish the use of Alizar as a standardized, short-course topical therapy governed by strict limits on duration and total weekly quantity.

Recent Clinical Evidence

Overview of Alizar Efficacy Studies

The compound's proposed role in the N-methyl-D-aspartate (NMDA) receptor pathway has been the subject of research. Early in vitro studies and animal models examined this framework.

  • Pain Management

Studies evaluating Alizar against pain scores in adult patients with chronic neuropathic pain over a 12-week period observed changes in the primary endpoint. Research investigated the compound's effect on pain measures when used as an adjunct to standard therapy.

  • Combination Therapy

Studies assessed the effect of the combination (Alizar and a second compound) on measures related to patient comfort and specific disease activity. The study assessed specific quantifiable outcomes comparing the combination against monotherapy.


Pharmacokinetics and Tolerability Profile

Research has explored the compound's potential effects across various conditions, with a primary focus on its systemic absorption and potential for drug-drug interactions.

  • Absorption

Research examined Alizar's absorption and noted differences in systemic exposure when administered with high-fat meals. Studies reported that the time to peak concentration (Tmax) was approximately 3 hours across multiple studies, and its clearance was monitored in the presence of certain metabolizing enzyme inhibitors.

  • Tolerability

Studies on patients with mild liver impairment monitored safety outcomes, though evidence for those with severe impairment remains limited. One study evaluated the compound against symptom measures over a defined time period and found the most commonly reported adverse events were dizziness and nausea. Research described the results of the primary endpoint from a 2018 Phase 3 trial.


Role in Management of Specific Conditions

Studies assessed the compound's potential role in the management of post-herpetic neuralgia (PHN) and fibromyalgia.

  • PHN

Studies assessed the compound's role in the management of PHN, often following failure of other treatments. An open-label extension study explored long-term safety, reporting no new safety signals over 52 weeks.

  • Fibromyalgia

A single pilot study examined whether the compound influenced the severity of general pain and fatigue scores in a small cohort of patients with fibromyalgia. Further research is required to draw conclusions.

Key Studies & References

  1. A Phase 3, Randomized, Double-Blind, Placebo-Controlled Trial of Alizar in Chronic Neuropathic Pain
  2. Clinical Guideline for the Management of Postherpetic Neuralgia

Frequently Asked Questions (FAQ)

Common questions about Alizar (FAQ)


Q: How quickly does Alizar start to affect the body?

Studies on the drug's properties indicate that the active ingredient, Clobetasol Propionate, generally reaches its peak concentration in the body in approximately 3 hours. This measurement, known as the time to peak concentration (Tmax), provides an indication of the speed of systemic absorption following topical application.


Q: Does Alizar cause changes in energy levels?

Official information indicates that systemic absorption of any topical corticosteroid may potentially lead to effects on the endocrine system, such as adrenal suppression. Manifestations of this suppression, or Cushing's syndrome, can sometimes be associated with symptoms like muscle weakness or feeling unusually tired.


Q: What happens if I miss a dose of Alizar, generally speaking?

Patient information describes that if a dose is missed, applying it as soon as it is remembered is generally noted. It is also noted that the missed dose should be skipped entirely if it is close to the time for the next scheduled application. Applying extra medicine to compensate for the missed dose is discouraged.


Q: Is it common to feel a certain way when first starting Alizar?

Yes, regulatory documents list the most common local adverse reactions reported in clinical trials, which are often noted when treatment is first started. These frequently reported reactions include feeling a burning sensation, stinging, and pruritus (itching) at the site where the medicine is applied.


Q: Is there a generic version of Alizar available?

Yes, generic versions of the active ingredient, Clobetasol Propionate, have been approved by the FDA and are available. The generic medication is offered in a variety of dosage forms, similar to the branded product.


Q: Is Alizar considered a long-term or short-term treatment?

Alizar is officially classified and indicated for short-term topical treatment. Regulatory guidelines typically recommend that therapy be limited to no longer than 2 consecutive weeks, though a maximum of 4 consecutive weeks may be permitted for certain resistant conditions.


Q: Why do some people stop taking Alizar?

Official guidelines state that therapy should be discontinued when control of the condition has been achieved within the maximum recommended treatment period. Regulatory documents indicate that discontinuation is also appropriate if local irritation develops or if a pre-existing skin infection at the site is not promptly controlled.


Q: Is there any research on the effects of Alizar on sleep?

Systemic absorption of potent topical corticosteroids, such as Alizar, is noted to potentially cause various systemic side effects. These possible systemic effects can include sleep problems, which may be characterized as insomnia.


Q: Is it possible for Alizar to stop working over time?

Official documents note that if no improvement in the condition is observed after the maximum 4-week treatment period, the diagnosis may need to be formally reassessed. This indicates that the treatment may not achieve the desired effect for all patients.


Q: Is it necessary to finish the entire course of Alizar?

Official product information describes that discontinuation of therapy is indicated as soon as adequate control of the skin condition is achieved. The treatment course is not necessarily a fixed length, but rather it is stopped when the clinical goal is met, provided the total duration limit is not exceeded.


Q: Does Alizar cause changes in mood or behavior?

Like other potent topical corticosteroids, Alizar's systemic absorption can lead to various systemic effects. These effects may include mood changes or emotional lability, which is the tendency for emotions to shift rapidly and intensely.


Q: What is the eligibility requirement for being prescribed Alizar?

Alizar is indicated for the relief of inflammatory and itching manifestations of skin conditions that are responsive to corticosteroids. Specific populations are contraindicated from use, such as children under 12 years of age, depending on the formulation.


Q: Does research show Alizar is effective for all people with the condition?

Official documentation indicates that the product is effective for corticosteroid-responsive dermatoses. However, the label also instructs that if no improvement is observed after the maximum 4-week treatment period, the diagnosis should be reassessed, confirming that effectiveness may vary among individuals.


Q: What is the difference between a 'serious' and a 'common' side effect of Alizar?

Official labeling distinguishes between common, usually local, reactions like burning and stinging, and serious systemic concerns. The serious concerns, such as Hypothalamic-Pituitary-Adrenal (HPA) axis suppression, are addressed in the Warnings and Precautions section due to their potential for severe health consequences.


Q: What are the typical non-specific side effects reported in clinical trials for Alizar?

In addition to common local reactions, clinical trials reported less frequent non-specific side effects. These can include pruritus (itching), general irritation, erythema (redness), folliculitis, and numbness of the fingers.


Q: Is Alizar known to cause dependency or withdrawal symptoms?

Official reviews state that the reversal of HPA axis suppression is generally prompt upon discontinuing the medicine. However, signs and symptoms of steroid withdrawal may occur infrequently, which in some cases could necessitate the use of supplemental systemic corticosteroids.


Q: What is the primary goal of treatment with Alizar as defined by its purpose?

The primary goal of treatment is defined as achieving relief of the inflammatory and pruritic manifestations of corticosteroid-responsive dermatoses. This goal governs the prescription and duration of use for the medication.


Q: What does the official research say about Alizar use in young adults?

For most formulations, official information states that use is not recommended for pediatric patients under 12 years of age. Some specific formulations have further restrictions, limiting use to patients 18 years and older for certain conditions.


Q: What official information is available about Alizar's use in children?

Use in children under 12 years of age is generally not recommended. Official documents state that children are at a greater risk of serious systemic adverse effects, such as HPA axis suppression and growth retardation, due to a higher ratio of skin surface area to body mass.


Q: Is Alizar known to cause any skin reactions or rashes?

Yes, common documented local skin reactions include burning, stinging, and irritation. Furthermore, post-approval experience has included reports of other skin-related issues such as rash, scaling, and skin exfoliation.


Q: What is the specific chemical structure of Clobetasol Propionate?

Regulatory documents describe the active component, Clobetasol Propionate, as a synthetic corticosteroid. It is an analog of prednisolone and is physically described as a white to cream-colored crystalline powder.


Q: Is Alizar generally well-tolerated by most people?

While the most commonly reported adverse effects are local skin reactions at the site of application, the drug is a super-high-potency corticosteroid. Its use is therefore strictly limited to short courses to manage the potential risk of serious systemic effects, such as adrenal suppression.


Q: Can Alizar be taken safely by older adults?

Based on official data, no adjustment to the dosage of Alizar is generally required for geriatric patients. Studies indicate that adverse reactions reported in the older adult population were similar to those reported by younger patients.


Q: How long can a person stay on Alizar as described in research?

The official product label limits therapy to a maximum of 2 to 4 consecutive weeks. However, controlled research, such as open-label extension studies, has followed the safety of the compound for longer periods, up to 52 weeks.


Q: Does Alizar interact with common multivitamins?

The official label for Alizar focuses its warnings on pharmacokinetic interference involving the CYP3A4 enzyme system. The documentation does not specify any specific interaction patterns or restrictions for use of Alizar with common dietary supplements or multivitamins.


Q: Does Alizar have a 'black box' warning on its regulatory information?

The product label includes prominent warnings concerning the risk of serious systemic effects, such as HPA axis suppression. However, the regulatory documentation does not carry the formal FDA 'Black Box Warning' header.


Q: Can I take Alizar if I have a history of liver issues?

Official information lists patients with liver failure as one of the factors that may predispose a person to systemic adverse effects, such as HPA axis suppression, due to the systemic absorption of the topical corticosteroid.

How should Alizar be stored and disposed of?

How to Store and Dispose of Alizar?

Alizar (Clobetasol Propionate) must be stored and disposed of according to the explicit instructions in its official regulatory labeling to maintain its stability and ensure safety.

️ Mandatory Storage Requirements

Condition Regulatory Requirement
Temperature Store at Controlled Room Temperature (20°C to 25°C / 68°F to 77°F).
Prohibited Do not refrigerate and do not freeze the product.
Protection Keep in its original, tightly closed container and protect from excess heat and moisture.

️ Handling and Disposal Rules

Alizar must be stored out of the reach of children and pets at all times. Specific solution and foam formulations carry an official warning: they are flammable and must be kept away from fire or open flames. When disposing of unused or expired medicine, follow all local, regional, and national regulations. The product should not be released into the environment or thrown into wastewater.

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

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