Miflasone

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Medically reviewed

Marina Burgos

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 Miflasone

Quick Facts

Property Description
Active ingredient Beclometasone (Beclomethasone dipropionate)
Form Inhalation powder or Pressurized metered dose inhaler (pMDI)
Pharmacological class Corticosteroid (Glucocorticoid)
General purpose Preventive medication / Maintenance therapy
Origin Synthetic

What is the Core Identity of Miflasone? (Definition, Classification, and Composition)

Miflasone is a prescription medication defined as an inhaled corticosteroid (ICS) intended for maintenance therapy in chronic respiratory management. The active ingredient in this medication is Beclometasone (Beclomethasone dipropionate), which is classified as a potent synthetic glucocorticoid and belongs to the high-level pharmacological class of corticosteroids. This compound is a chemically synthesized steroid derivative, confirming its synthetic origin. As a single-ingredient product, Miflasone contains only Beclometasone as the active substance, utilizing its potent glucocorticoid properties to function as an anti-inflammatory agent for long-term control.

Miflasone: An Inhaled Corticosteroid and Specialized Drug Form

The pharmaceutical dosage form of Miflasone is specialized for the pulmonary route of administration, typically supplied as a suspension in a pressurized metered dose inhaler (pMDI) or an inhalation powder within a dry powder device. Its classification as an inhaled corticosteroid ensures the Beclometasone active principle is delivered via inhalation for precise topical application directly to the respiratory passages. This localized delivery system is a key differentiating factor, enabling high concentration at the affected airways.

The General Purpose of Miflasone

The general purpose of Miflasone is to provide foundational preventive medication by facilitating a necessary anti-inflammatory action and reducing underlying anti-allergic sensitivity within the respiratory system. This synthetic glucocorticoid is typically used in a scenario where a patient requires consistent long-term control to reduce chronic airway irritation. This role firmly establishes Miflasone as a tool for maintenance therapy, focusing on sustained management to support the patient's long-term respiratory stability, rather than addressing sudden, acute breathing difficulties.

Regulatory References

  1. Beclomethasone Oral Inhalation: MedlinePlus Drug Information

What side effects are possible with Miflasone?

Possible Side Effects and Safety Information

The safety profile of Miflasone (Beclometasone dipropionate), an inhaled corticosteroid, primarily involves local adverse reactions and the potential for systemic glucocorticoid effects particularly with high doses or extended use. Safety information is classified by frequency and affected organ system, as documented in official regulatory labeling.


Official Adverse Reactions and Frequency

Adverse reactions are formally grouped by how often they may occur, consistent with regulatory standards:

Classification Examples of Adverse Reactions (SOC)
Common Oral candidiasis, Hoarseness (dysphonia), Throat irritation, Cough
Uncommon Hypersensitivity reactions (e.g., skin rash, urticaria, pruritus)
Rare/Not Known Systemic effects (e.g., Glaucoma, Cataract, Adrenal suppression)

Local effects, such as oral candidiasis (thrush) and hoarseness, are the most frequently reported adverse reactions, typically categorized as Common.


Serious and Systemic Safety Considerations

Official labeling documents the potential for rare but serious reactions, categorized within specific system-organ classes (SOCs):

  • Respiratory: The potential for paradoxical bronchospasm—a severe, immediate airway constriction—is noted as a serious risk.
  • Endocrine: Systemic absorption may lead to adrenal suppression (HPA axis suppression) or features of Cushing's syndrome, particularly associated with long-term exposure.
  • Ocular: The development of cataracts or glaucoma is an officially documented risk associated with prolonged use.

Population-Specific Safety Notes

The regulatory safety profile includes specific notes for certain groups. For children and adolescents, there is a documented potential risk of growth retardation. Furthermore, the glucocorticoid nature of the medicine requires caution in patients with active or quiescent pulmonary tuberculosis or untreated systemic infections.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information for Miflasone (Beclometasone) distinguishes between acute and chronic overdose, defining the required actions for each scenario.

Documented Overdose Manifestations

An acute overdose (a single, very high exposure) may cause a transient suppression of plasma cortisol concentrations, which is a laboratory finding known as Hypothalamic-Pituitary-Adrenal (HPA) axis suppression. This effect is generally short-term.

Chronic overdose, resulting from prolonged use of doses exceeding the maximum recommended level, can lead to signs of hyperadrenocorticism, commonly referred to as Cushingoid features, as well as functional adrenal suppression. Long-term effects such as menstrual irregularities and acneiform lesions have been associated with this chronic exposure.

Emergency Actions and Urgent Medical Help

In the event of a suspected overdose, regulatory guidance advises contacting the Poison Help line or emergency medical services.

Immediate medical attention is required for potentially life-threatening acute events, including signs of a severe allergic reaction (such as angioedema or swallowing difficulties), or if there is a sudden or progressive deterioration in symptoms of the underlying respiratory condition. Chronic adrenal suppression creates the risk of a potentially life-threatening Adrenal Insufficiency Crisis under physical stress. There is no specific antidote documented for Beclometasone overdose in official regulatory sources. Management for chronic hypercorticism involves the slow discontinuation of the medication under medical supervision.

Therapeutic Uses of Miflasone

Controller for Chronic Airway Diseases

Miflasone is commonly used for the long-term management of conditions presenting with systemic or localized discomfort, such as persistent asthma and certain forms of COPD. It may assist with maintaining functional stability by managing symptoms related to inflammatory or irritative processes, which supports the overall management of the condition.

Eases Recurrent Symptom Burden

The medication helps address symptom clusters that may become intense or disruptive, such as chronic wheezing, coughing, and chest tightness. This treatment contributes to easing the overall symptom load and may help patients cope more steadily with symptom fluctuations, including symptoms that become more disruptive during flare-ups.

“It is relevant in contexts involving heightened systemic burden, which supports general well-being during symptomatic phases.”

Miflasone is considered relevant for individuals who experience conditions characterized by periods of heightened symptoms. It assists with maintaining functional stability, which may be part of symptomatic management to address the need for additional acute assistance. This medication is applied in addressing the main indications of persistent asthma and is relevant for certain cases of COPD.

Quick Fact: Support for Persistent Symptoms
Primary Context Supportive relief when symptoms interfere with routine activities.
Symptom Focus Recurrent wheezing, chronic coughing, and chest tightness.
Key Benefit Contributes to easing the overall symptom load and distress.

Regulatory References

  1. NIH NCBI Bookshelf on Inhaled Corticosteroids

Eligibility and Restrictions for Use

Miflasone, which contains the active ingredient budesonide (a corticosteroid) and is used as an inhalation powder for asthma maintenance therapy, is generally prescribed for patients who require regular treatment to control persistent asthma.

Patients Who Can Typically Use Miflasone

Miflasone is indicated for adults and children, depending on the specific product formulation and dosage, for the long-term preventive treatment of asthma. It is not intended for the relief of sudden, acute asthma attacks.

Patients Who Should NOT Use Miflasone (Contraindications)

Consultation with a healthcare provider is essential, as the medication is contraindicated in individuals with certain conditions. This includes:

Condition
Hypersensitivity or allergy to budesonide or any component of the formulation.
Primary treatment of status asthmaticus or other acute episodes of asthma where intensive measures are required.

Additionally, patients taking other medications that may interact with budesonide, particularly certain antifungal agents, should be closely monitored. Pregnant or breastfeeding individuals should discuss the potential risks and benefits with their physician. It is important to remember that Miflasone capsules are for inhalation only via the designated device, and swallowing the capsule should be avoided.

What should I know about interactions with other medicines?

Miflasone Interactions with other medicines and products

This section outlines the officially documented interaction patterns for Miflasone (Beclometasone dipropionate Inhalation Powder) as identified in government regulatory sources.

Pharmacokinetic Interaction: Reduced Clearance

Substance Category Mechanism Described in Regulatory Sources
Strong CYP3A4 Inhibitors Interfere with Beclometasone's clearance, leading to increased systemic exposure and reduced metabolism.
Specific Agents Ritonavir and Cobicistat are explicitly listed as substances that increase the systemic concentration of the active drug.

Co-administration with strong CYP3A4 inhibitors is formally not recommended by some regulatory authorities (e.g., EMA) due to the documented risk of systemic corticosteroid effects, including potential adrenal suppression. The interaction is classified as clinically significant and requires careful consideration.

Pharmacodynamic Interaction: Additive Effects

Substance Category Interaction Classification
Other Corticosteroid Medications Pharmacodynamic Reinforcement (Additive Systemic Effects)

Co-administration with any other corticosteroid medication (including oral or injectable steroids) is officially noted as posing a risk of additive systemic effects. This combination may enhance the overall corticosteroid exposure, which is a key caution cited in regulatory prescribing information.

No mandatory timing-separation rules, food/alcohol interactions, or population-specific interaction cautions are explicitly documented in the official prescribing information reviewed.

Mechanism of Action

The mechanism of action for Miflasone's active metabolite, Beclometasone-17-monopropionate, is defined by its selective action to modulate gene activity, which results in the suppression of inflammatory signaling pathways within the respiratory tract.

Genomic Control of Inflammatory Factors

This action begins as an agonism for the cytoplasmic Glucocorticoid Receptor (GR). The activated complex enters the nucleus to induce transrepression of pro-inflammatory genes (e.g., those controlled by NF-kappaB) and transactivation of anti-inflammatory genes. This fundamental shift in protein synthesis reduces the synthesis of mediators such as cytokines and chemokines, which contribute to the inflammatory process in the airways.

Cellular Modulation and Physiological Consequence

This cascade includes the inhibition of inflammatory cells, such as eosinophils and T-lymphocytes, and the reduction of vascular permeability in the bronchial lining. The physiological outcome is a decrease in mucosal fluid accumulation and modulation of airway hyper-responsiveness due to reduced chronic inflammation. The entire mechanism is reliant on the slow process of genomic modulation, which requires continuous pathway engagement and is functionally unable to reverse rapid bronchoconstriction.

Dosage and Administration Information

Miflasone is administered by oral inhalation using a dedicated dry powder inhaler device, such as the Aerolizer. This is not an acute-relief medication, and it is crucial to use it consistently as prescribed by a healthcare professional.

Official Administration Guidelines

The dosage is highly individualized and is determined by a physician based on the patient's age and disease status. The goal is always to achieve control with the lowest effective dose.

Administration Scope Detail
Route of Administration Inhaled (Dry Powder Inhaler)
Age-Group Rule Approved for use in adults and children over 6 years old
Frequency/Timing The daily dose is typically divided into 2 to 4 doses and must be distributed regularly throughout the day.
Special Conditions Patients must rinse the mouth with water and spit it out after each inhalation to reduce the risk of oral fungal infections (candidiasis). Do not swallow the water.

Procedural Steps for Use (Aerolizer Inhaler)

The capsule must be handled with completely dry fingers and only removed from its blister pack immediately before use. The procedural sequence involves:

  1. Preparation: Open the inhaler and place the capsule securely in the designated chamber (not the mouthpiece).
  2. Dosing: Close the device and press the side push-buttons simultaneously to pierce the capsule and release the powder.
  3. Inhalation: Exhale fully away from the device. Place the mouthpiece in the mouth, close the lips tightly, and inhale rapidly and deeply through the mouth.
  4. Completion: Hold the breath for as long as is comfortable, then breathe out slowly. Check the capsule—if powder remains, repeat the inhalation step.
  5. Post-Inhalation: Remove the empty capsule, close the inhaler, and rinse the mouth with water, spitting out the water.

If a dose is missed, do not take a double dose to make up for it; simply continue with the next scheduled dose.

Recent Clinical Evidence

Miflasone: Recent Clinical Evidence

Clinical evidence regarding the use of Miflasone, which contains the corticosteroid budesonide delivered via a dry powder inhaler, primarily focuses on its role as a maintenance treatment for asthma in adults and children. Research has consistently evaluated its efficacy in reducing the frequency of asthma exacerbations and improving pulmonary function.

Efficacy and Outcomes

Studies across various patient populations have assessed the effect of inhaled budesonide on clinical markers. Findings suggest a consistent observation that regular use of the inhaled corticosteroid is associated with a reduction in the number of severe asthma attacks requiring urgent care or hospitalization. Research indicates that the initiation of therapy may lead to improvements in lung function, often measured by forced expiratory volume in one second (FEV1), over time.

Comparative Trials

Comparative trials have been conducted to position Miflasone relative to other forms of inhaled corticosteroids (ICS) and combination products. The evidence generally supports that inhaled budesonide, when used at recommended dosing ranges, demonstrates comparable effectiveness to other established ICS treatments in controlling persistent asthma symptoms and improving quality of life measures. Further research explores its use as a component of both maintenance and reliever therapy regimens.

Safety Profile Focus

Clinical trials routinely document the safety profile, focusing on local adverse effects common to inhaled corticosteroids, such as oral candidiasis (thrush) and dysphonia. Systemic exposure and potential long-term effects, particularly in pediatric populations, remain a continuous subject of regulatory monitoring and post-marketing surveillance.

Key Studies & References

  1. National Institute for Health and Care Excellence (NICE) Guidelines: Asthma: diagnosis, monitoring and routine management

Frequently Asked Questions (FAQ)

Common questions about Miflasone (FAQ)

Q: How is Miflasone described as being different from other similar treatments?

Official information indicates that Miflasone provides effectiveness comparable to other inhaled corticosteroid (ICS) treatments. The primary difference is the medicine's specialized delivery method, which facilitates the active ingredient being applied directly to the airways through a localized inhalation system. This method allows for targeted anti-inflammatory action.

Q: Is it common to feel tired when first using Miflasone?

Unusual tiredness or weakness is not typically reported as a common side effect of Miflasone. However, regulatory documents mention that these symptoms can be a rare sign of a serious condition called low adrenal gland hormones. This systemic effect is generally associated with long-term use of high dosages.

Q: Can Miflasone cause digestive issues, according to official reports?

Official safety information indicates that Miflasone has been associated with some digestive issues. Regulatory documents list gastrointestinal problems, including abdominal pain, nausea, constipation, and dyspepsia, as uncommon or rare potential side effects.

Q: Do the side effects from Miflasone depend on the duration of use?

Yes, official safety information notes a connection between duration and risk for certain effects. Serious systemic effects, such as a potential decrease in bone density or adrenal suppression, are specifically noted as potential risks associated with long-term use or higher dosages of the medicine.

Q: Can Miflasone interact with common over-the-counter medications?

Regulatory information focuses on specific drug classes that can interact with Miflasone, primarily strong inhibitors of the CYP3A4 enzyme and other steroid medications. There are generally no explicit warnings in official product information regarding interactions with specific common over-the-counter (OTC) medications like acetaminophen or ibuprofen.

Q: How long does it usually take to notice the effects of Miflasone?

According to regulatory patient information, some people may notice initial improvements within 24 hours to 7 days of starting Miflasone. However, because this is a maintenance medicine, the full therapeutic effect and maximum benefit often require continued use and may not be realized for two to six weeks or longer.

Q: Does Miflasone need to be built up in the system before it starts working?

Yes, official patient information describes the need for consistent use. The official information indicates the medicine is required to be used every day in regularly spaced doses, regardless of symptoms, so it can build up a protective and anti-inflammatory action in the airways over time.

Q: Is it true that stopping Miflasone treatment suddenly requires guidance?

Yes, stopping the use of Miflasone suddenly is generally cautioned against in regulatory warnings. Abrupt cessation may cause the underlying condition to worsen. Furthermore, for patients who have previously used systemic steroids, stopping suddenly can lead to symptoms related to adrenal gland problems.

Q: Are there specific considerations for older adults when using Miflasone?

While general safety and effectiveness for older patients have been observed to be similar to younger adults, official documents include specific notes on long-term use. The continuous use of Miflasone may increase the risk of decreased bone density (osteoporosis), which is a general consideration for older patients.

Q: Is Miflasone approved for people who are pregnant or breastfeeding?

Regulatory guidance on the active ingredient states that inhaled Miflasone is generally considered compatible with use during pregnancy, as very little of the medicine is absorbed into the bloodstream. The medicine is also described as compatible with use while breastfeeding.

Q: Is there any official information about Miflasone use in patients with diabetes?

As a glucocorticoid, Miflasone carries regulatory warnings regarding its potential systemic effects. These effects, such as Cushing's syndrome, are noted to be linked to changes in carbohydrate metabolism, which may impact blood sugar levels.

Q: Is it true that Miflasone affects mood or sleep?

Yes, official regulatory documents list psychiatric and central nervous system effects as possible uncommon or rare side effects. These have been noted to include anxiety, depression, hyperactivity, irritability, and sleep disorders like insomnia, particularly among children.

Q: Does Miflasone only work if used at a specific time of day?

No, the regulatory directions do not specify one single time of day for use. The official product information indicates the medicine is required to be used every day in regularly spaced doses, which are typically divided (e.g., two to four doses) throughout the day for maximum effectiveness.

Q: Can Miflasone be used alongside other treatments for the same condition?

Regulatory documents explicitly caution against using Miflasone alongside other systemic corticosteroids due to the risk of additive steroid effects. The official documents do not list general contraindications for using Miflasone with other non-steroidal asthma maintenance treatments.

Q: Why do official sources mention specific lab tests related to Miflasone?

Official guidelines mention the potential need for specific lab tests to monitor patient status during therapy. Tests may be advised to monitor the Hypothalamic-Pituitary-Adrenal (HPA) axis function, which regulates steroid hormones. Monitoring of lung function, such as FEV1, is also commonly cited.

Q: Is Miflasone known to cause changes in weight?

Weight changes and swelling are listed in regulatory documents as potential signs of Cushingoid features, which are linked to increased adrenal gland hormones. These are rare, serious systemic effects associated with the medicine when systemically absorbed.

How should Miflasone be stored and disposed of?

How to Store and Dispose of Miflasone?

Official regulatory information requires specific conditions for the storage and disposal of this medicine, based on government-issued labeling.

Storage and Stability Requirements

Classification Requirement
Temperature Store at controlled room temperature, typically 20 to 25 C (68 to 77 F).
Protection Protect from direct heat, direct sunlight, and moisture. Keep in the original, tightly closed container.
In-Use Stability Discard the inhalation device 1 month after removal from its sealed foil pouch, or when the dose counter reads zero, whichever is sooner.
Safety Keep this and all medication out of the reach of children.

Disposal Instructions

When disposing of unused or expired medicine, drug take-back programs are the recommended option. If a program is unavailable, mix the medicine with an unappealing substance, such as coffee grounds or cat litter. Place this mixture into a sealed bag or container before discarding it in the household trash. Do not flush the medicine down the toilet or sink unless specific labeling instructs this.

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

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