Duasma

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 Duasma

Quick Facts

Property Description
Active ingredient Budesonide
Form Inhalation suspension, Inhalation powder, MDI aerosol
Pharmacological class Corticosteroid (Glucocorticoid)
General purpose Long-term control of inflammation (Prophylactic therapy)
Origin Synthetic

What is Duasma?

Duasma is a medicinal product defined by its sole active ingredient, Budesonide, and is recognized primarily as a prescription-only medication used for the long-term management of conditions characterized by persistent inflammation. The drug is classified structurally as a synthetic pregnane steroid and is available across multiple specialized pharmaceutical preparations depending on the targeted site of action. The core identity of Duasma rests on its function as a preventer agent, focusing on prophylactic therapy rather than the immediate relief of acute symptoms.

What Type of Medicine is Duasma? (Identity and Class)

Duasma is classified as a corticosteroid medicine, specifically a highly potent glucocorticoid. This classification confirms that the drug's active compound, Budesonide, is a synthetic molecule designed to modulate biological responses by binding to intracellular receptors, an action typical of adrenal hormones. The glucocorticoid activity of Budesonide is characterized by high topical efficacy, meaning it primarily acts where administered. Budesonide is noted for possessing a high ratio of topical glucocorticoid activity.

Composition and Available Forms (Structure and Preparation)

The composition of Duasma relies on Budesonide as the single active pharmaceutical ingredient, positioning it as a foundational monotherapy product. This formulation is distinctive, contrasting it with common combination products that pair Budesonide with a bronchodilator. For respiratory use, Duasma is prepared in various dosage forms, including an inhalation suspension for nebulization, a fine inhalation powder, or as an MDI aerosol. These preparations are specifically designed for the oral inhalation route of administration, ensuring the Budesonide is delivered directly to the target tissues to reduce the overall required systemic dose.

General Purpose: Why Use a Corticosteroid? (Function and Benefit)

The general purpose of Duasma is to utilize its potent anti-inflammatory agent capability to control underlying tissue swelling and irritation. A typical use scenario involves the regular application of the inhaled form to maintain stability in patients with chronic respiratory conditions. This controlled suppression of the inflammatory process is intended for achieving stability, improving the overall function of the affected organ, and preventing symptomatic flare-ups over time, thereby providing prophylactic therapy in long-term care.

Regulatory References

  1. Budesonide

What side effects are possible with Duasma?

Possible Side Effects and Safety Information

The official safety documentation for Duasma (Budesonide, inhaled) classifies adverse reactions based on their observed frequency and the specific body system affected, according to regulatory standards.


Official Adverse Reaction Categories

Adverse effects are grouped into standard frequency categories defined by regulatory agencies:

  • Common Reactions (ge 1/100 to < 1/10): Typically localized effects such as Oropharyngeal Candidiasis (thrush), Hoarseness ( dysphonia), Throat Irritation, and Cough. Systemic reactions listed as common include Headache and Nausea.
  • Uncommon Reactions (ge 1/1,000 to < 1/100): Documented effects include Bruising, Eczema, Depression, and Anxiety.
  • Rare Reactions (ge 1/10,000 to < 1/1,000): Long-term risks, such as Cataract, Glaucoma, and Growth Retardation in children and adolescents, are officially classified as rare.

Serious Adverse Reactions and Safety Constraints

Regulatory labels document specific serious reactions and safety limitations:

  • Serious Risks: The product label includes potential for Systemic Corticosteroid Effects (e.g., Adrenal Suppression), primarily associated with prolonged use at high doses. Immediate and delayed Hypersensitivity Reactions and Paradoxical Bronchospasm (acute worsening of breathing immediately after use) are also documented concerns.
  • Population Safety Notes: Official statements include the risk of Growth Retardation in the Pediatric Population with long-term therapy, and the need for observation in individuals with Hepatic Impairment due to potential increased systemic exposure.
  • Regulatory Constraint: Duasma is not indicated for the relief of acute bronchospasm or status asthmaticus, and a known Hypersensitivity to the active ingredient is a formal contraindication.

Overdose and Emergency Response

Duasma Overdose and when to seek help

The officially documented profile for Duasma overdose focuses primarily on the systemic effects resulting from prolonged or excessive use, rather than acute single-instance toxicity.

Property Official Regulatory Statement
Documented overdose presentations Clinical signs consistent with Hypercorticism or Cushingoid features, resulting from prolonged or excessive exposure.
Physiological systems affected The Hypothalamus-Pituitary-Adrenal (HPA) Axis is affected, potentially leading to adrenal suppression.
Dose-related or exposure-related factors Overdose risk is primarily associated with the use of excessive doses or prolonged administration.
Population-specific overdose notes Patients with moderate to severe hepatic impairment and pediatric patients have an officially noted increased risk of systemic effects.
Emergency-response statements Acute overdosage requires immediate procedures such as gastric lavage or emesis.
When immediate medical help is required Immediate medical attention should be sought in the event of an acute overdosage.

Official overdose statements:

  • Adrenal Axis Suppression is a serious, documented risk associated with prolonged high-dose use.
  • Management for acute overdosage includes seeking immediate medical attention and involves procedures followed by symptomatic and supportive therapy.
  • The regulatory profile confirms that no specific antidote is available.
  • Patients must be monitored for signs of systemic corticosteroid effects, and those with hepatic impairment are identified as having an officially increased risk of these adverse outcomes.

Connection to the overall overdose profile: The regulatory documents define the overdose profile of Duasma primarily through the risk of systemic glucocorticoid excess. This is evidenced by HPA axis suppression and hypercorticism resulting from chronic high-dose use. Acute overdose requires that immediate medical attention be sought to initiate official procedural measures and general supportive and symptomatic care due to the lack of a documented specific antidote.

Therapeutic Uses of Duasma

This medication is commonly used as a daily controller therapy for the long-term management of chronic respiratory diseases, primarily including bronchial asthma and chronic obstructive pulmonary disease (COPD). It acts as prophylactic support, helping patients address core symptoms of asthma and supports stability across various phases of the condition.

This therapy is applied in addressing the persistent symptoms caused by chronic airway irritation, such as wheezing, chest tightness, and a chronic cough. The preventative function may assist with managing the likelihood and intensity of recurrent symptomatic episodes, which contributes to easing the overall symptom load and supports general well-being when symptoms that interfere with daily functioning occur.

“This therapy is relevant in clinical settings where long-term symptomatic support is needed to maintain functional stability.”


Quick Fact: Relief for Chronic Inflammation

Duasma is considered relevant for patients with persistent forms of asthma and chronic lung issues. It plays a role in managing the underlying inflammatory or irritative states to assist with addressing symptoms associated with acute or episodic changes.

Regulatory References

  1. https://medlineplus.gov/druginfo/meds/a699056.html

Eligibility and Restrictions for Use

Duasma (Budesonide) is a prescription-only controller medication, and its eligibility for use is defined by official regulatory guidelines concerning age, acute medical status, and underlying health conditions.


Contraindications and Non-Eligibility

Duasma is contraindicated and must not be used by patients with:

  • Known hypersensitivity or allergy to budesonide or any component of the specific formulation.
  • Acute bronchospasm, status asthmaticus, or other acute episodes of asthma. Duasma is for maintenance therapy, not emergency relief.

Age-Related Eligibility

The approved age group for use depends on the specific product formulation:

  • Inhalation Suspension (Nebulized Form): Indicated for children 12 months to 8 years of age.
  • Inhalation Powder (DPI Form): Indicated for patients 6 years of age and older, including adolescents and adults.

Use is not established in children younger than 12 months for the suspension or younger than 6 years for the powder form.


Restrictions and Conditional Use

Severe hepatic impairment (Child-Pugh Class C) is a restriction, and use is not recommended due to expected increases in systemic exposure. Patients with existing tuberculosis, untreated systemic infections (fungal, bacterial, or viral), or ocular herpes simplex must use the medication with caution. Use during pregnancy and lactation is conditional and only permitted if the prescribing physician determines that the potential benefits clearly outweigh any potential risk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Duasma, a combination of budesonide (an inhaled corticosteroid) and formoterol (a long-acting beta2-agonist), carries specific interaction risks related to both active components. Patients must inform their healthcare provider of all other medicines, including over-the-counter products and supplements.

  • Potent CYP3A4 Inhibitors: Concomitant use with strong inhibitors of the Cytochrome P450 3A4 enzyme (such as ketoconazole, ritonavir, or atazanavir) is expected to significantly increase the systemic exposure to budesonide. This pharmacokinetic interaction may lead to potential systemic corticosteroid effects, including adrenal suppression. This combination should be used with caution, and patients must be monitored for signs of increased corticosteroid exposure.

  • Beta-Adrenergic Blocking Agents (Beta-Blockers): These medicines can oppose the effect of the formoterol component, potentially blocking its bronchodilatory action and causing severe bronchospasm in patients with asthma. If co-administration is necessary, cardioselective beta-blockers should be considered with caution.

  • Monoamine Oxidase Inhibitors (MAOIs) and Tricyclic Antidepressants (TCAs): Use of these medicines with Duasma must be approached with extreme caution. They can potentiate the cardiovascular effects of formoterol, increasing the risk of adverse events such as elevated heart rate and blood pressure.

  • Diuretics: Non-potassium-sparing diuretics (e.g., loop or thiazide diuretics), xanthine derivatives, and other steroids may potentiate the hypokalemic (low potassium) effect associated with beta-agonists like formoterol. Concomitant use requires caution and monitoring for hypokalemia and/or ECG changes.

  • Other Long-Acting Beta2-Agonists: Do not use Duasma in combination with other medicines containing a Long-Acting Beta2-Agonist (LABA) for any reason, as this increases the risk of LABA-related overdose and serious adverse effects.

Mechanism of Action

Duasma is a combination product; its mechanism involves two distinct agents acting on separate biological targets. The corticosteroid component is a glucocorticoid receptor (GR) agonist. It binds with high affinity to the cytoplasmic GR in target cells, such as those within the pulmonary airways. This drug-receptor complex translocates to the nucleus, where it modulates gene transcription. It acts via transactivation, increasing the expression of anti-inflammatory proteins like lipocortin-1 (which inhibits phospholipase A2), and via transrepression, suppressing the activity of pro-inflammatory transcription factors, including Nuclear Factor-kappa B (NF-κB). This leads to reduced synthesis of pro-inflammatory mediators such as cytokines, chemokines, and eicosanoids, resulting in a molecular environment that modulates local tissue responses. The second component is a long-acting beta-2 adrenoceptor agonist. It interacts with the G-protein-coupled beta-2 receptor on the surface of airway smooth muscle cells, activating the adenylyl cyclase enzyme. This activation catalyzes the conversion of ATP to cyclic AMP (cAMP), increasing the intracellular concentration of cAMP. The elevated cAMP level subsequently activates Protein Kinase A (PKA), which initiates a phosphorylation cascade. This cascade ultimately leads to the relaxation of the smooth muscle fibers, causing bronchodilation and a resultant increase in airway conductance.

Dosage and Administration Information

How Duasma is Used: Official Administration Guidelines

Duasma, as an inhaled corticosteroid monotherapy, is intended solely for long-term maintenance treatment and must be administered according to specific protocols. The prescribed route of administration is oral inhalation, primarily utilizing either a dry powder inhaler (DPI) or a suspension delivered via a nebulizer.

The standard treatment regimen requires the medication be taken twice daily. For patients who achieve stable control, the dose is subsequently titrated downwards to the lowest amount required for continued maintenance. A once-daily schedule may be considered for patients with well-controlled symptoms, generally taken in the evening.


Procedural and Population Requirements

Administration Detail Official Requirement
Nebulizer Type Only a jet nebulizer connected to an air compressor is used for the suspension form; ultrasonic nebulizers must not be used.
Pediatric Use The inhalation suspension is intended for children from 12 months to 8 years of age, with specific doses tiered based on the patient's prior therapy.
Post-Use Protocol Rinsing the mouth with water and spitting the rinse out (not swallowing) is a mandatory procedural step following each administration.

The proper use of the medication requires adherence to these conditions, including device constraints and the post-inhalation hygiene protocol. Furthermore, when transferring a patient from systemic oral steroids, the inhaled dose is initiated while the oral steroid is gradually reduced over a period of time.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Duasma (Budesonide Inhalation)

The research base for Duasma as a daily treatment is dominated by numerous Randomized Controlled Trials (RCTs) and comprehensive systematic reviews that have studied for periods typically ranging from several months up to a year. This research was applied in studies examining patient-reported experiences in individuals with persistent asthma, a condition marked by functional limitations and conditions presenting with cycles of stability and flare-ups.

The research examined how outcomes related to daily functioning or activity level was monitored through changes in objective lung function measurements, such as the amount of air a person can forcefully breathe out in one second ( FEV1) and Peak Expiratory Flow ( PEF). Studies also monitored the frequency of episodic or acute changes, specifically focusing on the number of times patients experienced an asthma flare-up serious enough to require oral corticosteroids or emergency care. Studies monitored changes in FEV1 from the baseline in the observed populations, and findings describe patterns observed in the research.

Research on Managing Acute Asthma Exacerbations

Duasma has also was studied for use during periods of increased symptom activity. The trials research examined outcomes capturing phases of heightened symptom activity, focusing on whether the addition of Duasma was associated with differences in final hospital admission rates or the patient's need for maximum supportive treatment. The findings were mixed across different studies; some trials research described the change in measured outcomes, with certain patterns observed in some studies in children, but other trials reported findings that varied when Duasma was added to standard treatment for adults.

Research Gaps and Uncertainty

The role of Budesonide monotherapy in the long-term maintenance of stable COPD remains uncertain, as most current research supports its use only in combination products. Comparative evidence is lacking for monotherapy versus combination therapy in stable COPD. Additionally, the long-term data for outcomes such as bone health or vision over a lifetime of use are still emerging.

Frequently Asked Questions (FAQ)

Common questions about Duasma (FAQ)


Q: How quickly should I feel the effects of Duasma after starting it?

A: Duasma is prescribed as a maintenance medication for long-term control, not for immediate relief. According to official product information, the formoterol component may begin the bronchodilation (airway-opening) effect rapidly, typically within minutes. The anti-inflammatory effects of the budesonide component are typically observed after consistent long-term use.


Q: Is it normal to feel a bit shaky or nervous when taking Duasma?

A: Feeling shaky or nervous can occur. Regulatory documents indicate that the beta-agonist component of Duasma (formoterol) can commonly cause tremor (shakiness). Other nervous system effects, such as anxiety or nervousness, have also been reported in clinical experience.


Q: Can I use a spacer device with my Duasma inhaler?

A: For the metered dose inhaler (MDI) aerosol formulation of Duasma, official product information allows for the use of a spacer device. A spacer is often used to facilitate the delivery of the medication and may help mitigate the risk of developing oral thrush.


Q: What are the signs that Duasma is actually working for my condition?

A: Regulatory studies monitored effectiveness by measuring lung function improvement and a reduction in severe exacerbations that required emergency care. Changes in personal symptoms or rescue inhaler use should be discussed with a healthcare provider. A significant increase in the need for a short-acting rescue inhaler is often an indication that a medical assessment is necessary.


Q: Can Duasma be used during pregnancy or while breastfeeding?

A: The use of Duasma during pregnancy or breastfeeding is conditional. According to regulatory labeling, it is only permitted if a prescribing physician determines that the expected benefit to the mother clearly outweighs any potential risk to the child.


Q: Will taking Duasma affect my immune system?

A: Yes, inhaled corticosteroids can have an effect on your immune system. The corticosteroid component of Duasma may cause immunosuppression. Patients with existing or untreated systemic infections should be carefully monitored.


Q: Does Duasma have a known risk for bone density changes with long-term use?

A: Long-term use of any orally inhaled corticosteroid may be associated with a decrease in bone mineral density (BMD). Regulatory warnings advise that patients with concerns about bone density or those with risk factors should discuss these potential effects with their healthcare provider.


Q: What's the difference between the powder and spray forms of this type of medicine?

A: The official product information lists Duasma as being available in multiple forms, including a dry powder inhaler (DPI) and a metered dose inhaler (MDI) aerosol. The difference lies in the delivery device and the specific age groups approved for each formulation. All forms are designed to deliver the medication directly to the lungs.


Q: Is Duasma safe for long-term daily use?

A: Duasma is specifically indicated for long-term maintenance treatment. However, official safety documentation warns that prolonged use, especially at high doses, carries a serious potential risk of adrenal suppression (affecting the adrenal glands). The potential systemic risks associated with continuous use necessitate regular medical monitoring.


Q: What are the most commonly reported side effects of taking Duasma?

A: Based on regulatory review of clinical trial data, the most commonly reported side effects that occurred in 3% or more of patients include upper respiratory tract infection, headache, nasopharyngitis (common cold), and pharyngolaryngeal pain (sore throat).


Q: What happens if I accidentally miss a dose of Duasma?

A: Official patient information states that a missed dose should be managed by returning to the regular schedule for the next dose. Directions for specific action, such as whether to take a missed dose, are part of the detailed administration instructions provided by your pharmacist or prescribing doctor.


Q: Are there any specific foods or drinks to avoid while using Duasma?

A: Official drug interaction information advises that grapefruit juice has been shown to increase the absorption of budesonide, though this effect is less significant with inhaled use. Also, due to the formoterol component, excessive consumption of caffeine-containing foods and drinks should be used with caution, as it may enhance the effects of the beta-agonist.


Q: How long does the effect of a single dose of Duasma typically last?

A: Clinical studies supporting the regulatory approval indicate that the bronchodilation effect from the formoterol component is sustained for at least 12 hours. This duration supports the standard twice-daily (every 12 hours) dosing schedule prescribed for the medication.


Q: Does Duasma cause weight gain or changes in appetite?

A: Official adverse reaction documentation lists weight gain as an uncommon side effect (occurring in less than 1 in 100 people). Loss of appetite has also been reported as a less common side effect in some studies.


Q: Can using Duasma affect my sleep?

A: Yes, some patients may experience sleep disturbances. Regulatory information notes that the formoterol component may be associated with side effects such as sleep disorders and difficulty falling or staying asleep. Use of the drug can also cause nervousness which may affect sleep.


Q: Can Duasma be taken with herbal supplements like St. John's Wort?

A: Official regulatory documents warn that Duasma interacts with strong CYP3A4 inhibitors. Patients should ensure their healthcare provider is aware of all supplements, including St. John's Wort, as they may affect the enzyme that metabolizes Duasma, potentially increasing the systemic exposure to the budesonide component.


Q: What should I do if my symptoms get worse after starting Duasma?

A: A worsening of symptoms, or an increased frequency of short-acting rescue inhaler use, warrants prompt medical attention. Official warnings advise against sudden discontinuation and exceeding the prescribed dosage, even if symptoms are deteriorating.


Q: How is Duasma eliminated from the body?

A: According to the pharmacological properties section of the regulatory documents, the active components are primarily cleared from the body through hepatic metabolism (metabolized in the liver) into inactive byproducts, which are then excreted.


Q: Can I use Duasma if I have a heart condition?

A: Use of Duasma requires caution in patients with pre-existing cardiovascular disorders, such as coronary insufficiency, cardiac arrhythmias, and high blood pressure (hypertension). The formoterol component is a beta-agonist which can potentially cause excessive heart stimulation.


Q: Are there specific symptoms that Duasma is not intended to treat?

A: Yes. Regulatory documents explicitly state that Duasma is not indicated for the relief of acute symptoms. It should not be used for emergency situations, such as acute bronchospasm or status asthmaticus (a severe, prolonged acute asthma attack). It is for maintenance treatment only.


Q: How long does it take for a person to adjust to the side effects of Duasma?

A: Official information indicates that many common, predictable side effects of the formoterol component, such as tremor (shakiness) and palpitations, are often mild when they occur and may naturally subside or disappear within a few days of starting treatment.


Q: What is the shelf life of an unopened Duasma prescription?

A: The shelf life for the unopened product is determined by the manufacturer's expiration date printed on the packaging. Once the sealed foil envelope containing the nebulizer ampules is opened, for instance, the ampules must typically be used within two weeks.


Q: How often is follow-up testing needed when taking Duasma?

A: While regulatory guidance does not specify a universal follow-up schedule, it advises that physicians should monitor certain health parameters. This may include monitoring bone mineral density (BMD) and growth velocity in pediatric patients during long-term therapy.


Q: When was Duasma first approved for use?

A: The combination product containing the active ingredients in Duasma received its initial approval from the U.S. Food and Drug Administration (FDA) on July 21, 2006.


Q: Does Duasma contain lactose or other common allergens?

A: The specific composition depends on the formulation. The dry powder inhaler (DPI) formulation typically contains lactose monohydrate as an inactive ingredient. Patients with a known allergy or hypersensitivity to any component of the specific Duasma formulation should not use it.

How should Duasma be stored and disposed of?

Storage Requirements

Duasma (Budesonide inhalation) must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F), according to official regulatory labeling. The product must be protected from extreme environmental conditions, specifically by ensuring it is not frozen.

For the inhalation suspension, unit-dose ampules must be protected from light by remaining in the original sealed foil envelope until they are needed. Once the foil envelope is opened, ampules must be used within two weeks, and any partially used ampules must be discarded immediately.

All medication must be stored securely, out of the sight and reach of children and pets.

Disposal Instructions

Disposal of unused, expired, or unwanted Duasma must be carried out according to local regulations and ordinances. The empty inhaler device must be discarded after the designated number of doses has been administered, as stated on the product label.

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

Available in countries:

Equivalent of Duasma found in:

A-Z Index: