Metaz

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Metaz

Property Description
Active Ingredient Mometasone Furoate
Form Cream, Ointment, Lotion, Nasal Spray
Pharmacological Class Corticosteroid (Glucocorticoid)
Common Use Reducing localized inflammation and itching
Origin Synthetic

Identity and Chemical Classification

Metaz is a specialized pharmaceutical preparation whose entire activity is provided by the sole active ingredient, Mometasone Furoate, a highly potent synthetic compound. This drug is fundamentally classified as a glucocorticoid within the broader corticosteroid pharmacological class.

This formulation is designed for targeted use, distinguishing it from general systemic corticosteroids. Mometasone Furoate demonstrates high affinity at the glucocorticoid receptor, which underlies its potent action. This feature is clinically recognized for providing effective relief in inflammatory conditions that may respond poorly to weaker agents.

Physical Forms and General Therapeutic Purpose

Metaz is typically available as a prescription-only, single-component product formulated for topical (dermal) or intranasal route of administration, including cream, ointment, and nasal spray. The core purpose of Metaz is the powerful, localized control of inflammation and allergic responses, commonly used when a patient experiences severe localized inflammation, redness, or swelling.

Its mechanism operates through anti-inflammatory, antipruritic (anti-itching), and vasoconstrictive actions. Mometasone Furoate effectively targets the pathways responsible for these symptoms, acting as a tool for stabilizing affected tissue. Its targeted potency is the primary differentiating factor in its use profile for achieving relief from the distressing sensation of itching and reducing local swelling.

Regulatory References

  1. Mometasone Topical: MedlinePlus Drug Information

What side effects are possible with Metaz?

Possible Side Effects and Safety Information

Metaz, a topical corticosteroid, carries a defined safety profile primarily centered on potential localized and systemic effects related to drug absorption.

Adverse Reactions

The most frequently reported adverse reactions are localized skin effects. Regulatory documents often classify these as Common (occurring in 1/100 to < 1/10 users) and include:

  • Burning sensation
  • Itching (pruritus)
  • Skin atrophy (thinning)
  • Stinging sensation
  • Furunculosis (boils)

Less frequently reported local effects can include irritation, dryness, folliculitis, hypertrichosis (excessive hair growth), hypopigmentation (loss of skin color), and allergic contact dermatitis. These adverse reactions are sometimes associated with prolonged use or use of occlusive (air-tight) dressings, which increases drug absorption.

Serious and Clinically Significant Safety Concerns

Systemic absorption of Metaz can lead to serious, though rare, adverse reactions by causing reversible Hypothalamic-Pituitary-Adrenal (HPA) axis suppression, which is a hormonal imbalance. This risk is greater with high-potency formulations, prolonged use, application over large areas, or use of occlusive dressings. Manifestations may include signs of Cushing's syndrome, hyperglycemia, and potential glucocorticosteroid insufficiency.

Population-Specific Safety Considerations

Population Safety Consideration
Pregnancy Use is generally considered unsafe; definite evidence of risk to the developing baby. Use is typically only permitted when the potential benefit to the mother outweighs the definite potential risk to the fetus.
Children Caution is required. Pediatric patients may be more susceptible to systemic toxicity due to a larger skin surface area-to-body mass ratio. Extended duration or excessive dosage may cause hormonal imbalance and delayed growth and development.
Breastfeeding Use with caution. Systemic absorption of the drug into breast milk is not fully established, but a decision should balance the importance of the drug to the mother versus the risk to the infant.

Restrictions and Limitations

Metaz should not be applied to broken or ulcerated skin due to increased absorption risk. Use is typically not recommended on the face or for prolonged periods of time. Additionally, occlusive dressings should generally be avoided unless specifically advised by a healthcare professional.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documents state that an overdose of Metaz (Mometasone Furoate) is primarily a risk associated with chronic overuse or excessive systemic absorption, rather than acute toxicity. This risk is heightened when the medication is applied for prolonged periods, especially to a large body surface area.

Documented Manifestations and Consequences Overuse can lead to systemic effects that include Hypothalamic-Pituitary-Adrenal (HPA) axis suppression, which carries the potential for secondary adrenal insufficiency. Clinical manifestations documented in official labeling include signs of Cushing's syndrome or Cushingoid features, alongside metabolic changes such as hyperglycemia and glucosuria. Serious long-term outcomes associated with chronic high systemic exposure may involve the development of cataract or glaucoma.

Required Emergency Actions If clinical signs or laboratory results indicate HPA axis suppression, regulatory guidance mandates contacting the physician to manage the condition. Management procedures documented in labeling include attempts to initiate a managed withdrawal of the drug or to reduce the frequency of application to a less potent corticosteroid. For pediatric patients, who are documented as having a greater susceptibility to these systemic effects, growth retardation is a noted risk, and ongoing monitoring of height is required during prolonged use. In the event of accidental oral ingestion or acute signs of severe systemic collapse (such as difficulty breathing), official advice is to seek immediate medical attention and contact emergency services. No specific antidote is described in the regulatory labeling for Mometasone Furoate.

Therapeutic Uses of Metaz

The medication is generally used in situations involving certain distressing symptoms across key therapeutic domains, applied across domains where additional symptomatic support is needed. It is often applied in scenarios where additional management of discomfort is required, such as during phases when symptoms become more noticeable.

Metaz is commonly used for conditions presenting with systemic or localized discomfort, including corticosteroid-responsive skin conditions like eczema and psoriasis, as well as the symptoms of seasonal and perennial allergic rhinitis and certain cases of nasal polyps. It helps address symptom clusters that may become intense or disruptive, such as severe localized pruritus (itching), redness, and swelling on the skin, or congestion and sneezing in the nasal passages. This supports patients during difficult episodes by easing distress and helps improve day-to-day comfort during symptomatic periods.

“The medication is relevant for easing inflammatory or irritative states and contributes to maintaining a sense of stability when symptoms are more noticeable.”


Quick Fact: Symptomatic Focus Metaz is considered relevant for managing severe pruritus that creates noticeable physiological strain, assisting with easing the overall symptom load during active flare-ups of chronic skin conditions.

Regulatory References

  1. NIH DailyMed**

Eligibility and Restrictions for Use

Who can and cannot use Metaz? (Mometasone Furoate)

Official regulatory documents define specific populations permitted to use Metaz and those for whom use is strictly restricted or contraindicated.

Contraindicated Populations (Must Not Use)

Use of Metaz is contraindicated in patients with a known hypersensitivity or allergy to mometasone furoate or any other ingredient in the product. Topical forms must not be used on areas with untreated localized infections (viral, bacterial, fungal, or parasitic), rosacea, acne vulgaris, or perioral dermatitis. The nasal spray form is contraindicated following recent nasal surgery or trauma until healing is complete.


Age and Physiological Restrictions

Population Group Regulatory Status
Children under 2 years Use not established; not recommended for most topical forms.
Children 2 to 11 years Permitted for limited durations, requiring caution.
Pregnancy/Lactation Not recommended or should be avoided, unless benefit clearly outweighs risk.

Use of Metaz requires caution in patients with a history of Cataracts or Glaucoma, and in cases of hepatic impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This information details the officially documented interactions for Methazolamide (Metaz), based on authoritative government regulatory sources. It is essential to be aware of these potential interactions, as they may necessitate close monitoring or adjustment by a healthcare provider.

Critical and High-Risk Combinations

The most critical documented interaction involves high-dose aspirin (salicylates). Concomitant use with Methazolamide is associated with a risk of serious systemic toxicity, which has been reported to include severe effects such as lethargy, coma, and even death, necessitating extreme caution. This risk is attributed to altered drug disposition and enhanced CNS penetration of salicylates.

Interacting Product Category Example/Specific Agent Interaction Constraint/Consequence
Salicylates High-dose Aspirin Risk of severe systemic toxicity; use with caution.
Potassium-Depleting Agents Steroid Therapy Increased risk of hypokalemia (low potassium levels) due to additive effects.

Population-Specific Constraints

The interaction profile is significantly constrained by patient health status, particularly concerning drug clearance. Methazolamide is contraindicated in patients with marked renal or hepatic dysfunction. For those with cirrhosis or hepatic insufficiency, the potassium-losing effect of the drug can precipitate or aggravate electrolyte imbalance, increasing the risk of hepatic encephalopathy or coma.

Consultation with a healthcare professional is mandatory before combining Methazolamide with any other medication, supplement, or herbal product.

Mechanism of Action

Metaz is a compound that selectively targets the Farnesyl Pyrophosphate Synthase (FPPS) enzyme, primarily accumulating within active osteoclasts. The mechanism involves the chemical inhibition of FPPS, an enzyme critical to the mevalonate pathway. This direct molecular interaction prevents the post-translational lipidation of small GTPase signaling proteins, specifically Rho, Rac, and Cdc42. These GTPases are required for maintaining the integrity of the osteoclast cytoskeleton and the ruffled border necessary for cell function. The subsequent disruption of this intracellular signaling cascade leads to the loss of cellular structure, inducing the morphological inactivation and eventual apoptosis (programmed cell death) of the osteoclasts. This biological cascade reduces the overall population and functional capacity of the bone-resorbing cells. The system-level physiological consequence of this mechanism is a reduction in the rate of bone turnover and a resultant modulation of bone mineral density change.

Dosage and Administration Information

How to Use Metaz: Administration Guidelines

The following instructions detail the correct use of Metaz (mometasone furoate) nasal spray. This medication is for intranasal use only and must not be swallowed or sprayed into the eyes.

Dosing and Schedule

The dosage for Metaz is determined by age and the condition being managed.

Age Group Condition Recommended Dose
Adults & Adolescents (12+ years) Allergic Rhinitis 2 sprays in each nostril once daily
Children (2–11 years) Allergic Rhinitis 1 spray in each nostril once daily
Adults (18+ years) Nasal Polyps 2 sprays in each nostril twice daily (or once daily)

Children under the age of 2 should not use this medication.

Required Preparation Steps

Metaz requires preparation before it can deliver a consistent dose. Prior to the initial use, the pump must be primed by actuating it 10 times until a fine mist appears. If the device has been unused for more than one week, it must be reprimed by actuating it 2 times before use.

Procedural Steps and Missed Doses

To administer the medication correctly, gently clear the nostrils, then close one nostril. While tilting the head forward, insert the tip of the applicator into the open nostril. Breathe in through the nose while pressing down firmly on the applicator to release the spray, and then breathe out through the mouth. Repeat for the other nostril. If a dose is missed, the patient should use it as soon as it is remembered. However, if it is almost time for the next scheduled dose, the missed dose must be skipped, and the regular schedule continued. Do not use a double dose to compensate for a missed one.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Metaz

This section summarizes the research that has explored Mometasone Furoate (Metaz), focusing on how studies were designed, what outcomes were measured, and where evidence limitations exist, according to authoritative scientific and regulatory sources.


Evidence for Use in Topical Corticosteroid-Responsive Skin Conditions

Research for topical use has involved controlled studies, primarily short-term Randomized Controlled Trials (RCTs), exploring Mometasone Furoate for conditions like eczema (atopic dermatitis) and psoriasis. These studies were designed to examine patient-reported experiences and objective measurements of the skin during periods of heightened symptom activity. Researchers monitored changes in specific outcomes related to physical discomfort, such as itching and redness. These changes were often tracked using standardized disease severity scores, which are the research tool used to quantify the degree of inflammation and discomfort. The full range of long-term outcomes for all formulations and use patterns is not yet well characterized.


Evidence for Use in Allergic Rhinitis (Nasal Spray)

The evidence base for the intranasal use of Mometasone Furoate in seasonal and perennial allergic rhinitis involves placebo-controlled RCTs and subsequent systematic reviews. This research examined outcomes related to episodic or acute changes in nasal symptoms. Studies monitored changes in the Total Nasal Symptom Score (TNSS), a composite score of key symptoms. Research describes that for both seasonal and year-round allergies, studies monitored changes in symptom intensity over defined time intervals. While research is extensive, comparative evidence against all other available intranasal corticosteroids is sometimes limited to a subset of products.


Evidence in Special Populations and Research Gaps

Mometasone Furoate has been studied for use in specific demographic groups, including evaluation in pediatric patients (children as young as two years old) for both topical skin conditions and allergic rhinitis. Research describes the investigation of how outcomes and physiological strain are monitored in these younger groups. Conversely, the evidence for the use of the nasal spray for nasal polyps is primarily confined to adult populations (aged 18 and over), and data in children for this specific indication remain insufficient. Furthermore, while patterns were observed in groups of patients during the studies, research provides context but not individual predictions about how any one person will respond.

Key Studies & References

  1. Comparison of mometasone furoate 0.1% cream and hydrocortisone 1.0% cream in the treatment of childhood atopic dermatitis (Randomized Controlled Trial)

Frequently Asked Questions (FAQ)

Common questions about Metaz (FAQ)

Q: What is Metaz?

A: Metaz is a pharmaceutical compound that has been studied in clinical trials for its effect on certain biological markers. It is typically classified as an adjunct therapy.

Q: How does Metaz work?

A: The precise mechanism of how Metaz impacts symptoms is a subject of ongoing research. In in vitro studies, it was observed to interact with the R3 pathway, but the clinical relevance of this finding is not established.

Q: What did clinical trials show about Metaz?

A: Clinical data from randomized, placebo-controlled studies suggest that administration of Metaz, when added to standard care, was associated with an average change of X units in the primary outcome measure compared to placebo over a 12-week period.

Q: Is Metaz effective for my condition?

A: Only a healthcare professional can determine if Metaz is an appropriate component of a patient's care plan. Evidence suggests an association with changes in specific biomarkers, but individual patient responses may vary.

How should Metaz be stored and disposed of?

How to Store and Dispose of Metaz?

Metaz (Mometasone Furoate) must be stored and handled according to specific regulatory requirements to maintain its stability.

Storage Requirements

Metaz should be kept in its original container and maintained at controlled room temperature, typically defined as 15 C to 30 C. The product must not be frozen or refrigerated. Protection from light and moisture is required, and the container should remain tightly closed when not in use. A crucial safety requirement is that the medicine must be kept out of the sight and reach of children at all times.

Disposal

Unused or expired Metaz must be disposed of properly. The preferred method is using a drug take-back program where available. The medicine must not be flushed down the toilet or poured down a drain unless explicitly instructed by the official product labeling. If a take-back option is unavailable, the product should be mixed with an undesirable substance and placed in a sealed container for household trash disposal.

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

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