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What Is Dulera?

What Is Dulera?

Dulera is a prescription inhaler used for the maintenance treatment of asthma in adults & children aged 5 years and older. It contains a combination of mometasone furoate, an inhaled corticosteroid, and formoterol fumarate, a long-acting bronchodilator.

The medication is approved by the FDA for long-term asthma control and should be used regularly as prescribed by a healthcare provider. Dulera is not intended for sudden asthma attacks and should be used alongside a rescue inhaler for quick relief if needed.

Quick Facts About Dulera

Quick Facts About Dulera

CategoryInformation
Generic NameMometasone furoate + Formoterol fumarate dihydrate
Brand NameDulera
Drug ClassCombination: Long‑acting beta2‑adrenergic agonist (LABA) + Corticosteroid (ICS)
FDA ApprovalFirst approved June 22, 2010; pediatric labeling expanded August 12, 2019
IndicationTreatment of asthma in patients ≥5 years old; not for acute bronchospasm or status asthmaticus
Dosage Forms & StrengthsInhalation aerosol: 50 mcg/5 mcg, 100 mcg/5 mcg, 200 mcg/5 mcg (mometasone/formoterol per actuation)
Contraindications• Hypersensitivity to ingredients
• Primary treatment of status asthmaticus or acute asthma episodes
Key Warnings & Precautions• LABA monotherapy raises the risk of serious asthma‑related events
• Do not use with another LABA
• Risk of oral Candida infection (rinse mouth after use)
• Immunosuppression: may worsen infections (TB, herpes, measles, chickenpox)
• Risk of adrenal suppression, hypercorticism
• Paradoxical bronchospasm possible
• Monitor bone mineral density, growth in children, and ocular effects (glaucoma, cataracts)
• Use cautiously in cardiovascular disorders, diabetes, thyroid disease
Common Adverse ReactionsNasopharyngitis, sinusitis, headache
Serious Adverse ReactionsAsthma‑related death (with LABA monotherapy), adrenal suppression, growth reduction in children, ocular complications
Pediatric Use• Established safety/efficacy in ages 5–11 years (50 mcg/5 mcg strength)
• Not established in children <5 years
• May reduce growth velocity (~1 cm/year) in children; growth should be monitored routinely
StorageStore at room temperature 20–25°C (68–77°F), with permitted excursions between 15°C and 30°C (59°F to 86°F). Avoid heat or open flame. Do not puncture or expose the canister to temperatures above 49°C (120°F), as it may burst.
Legal StatusPrescription only (Rx)

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How Does Dulera Work?

How Does Dulera Work?

Dulera works by combining two medications that help control asthma symptoms and improve breathing over time.

  • Mometasone furoate is an inhaled corticosteroid that reduces inflammation and swelling in the airways. By decreasing inflammation, Dulera helps prevent asthma symptoms such as shortness of breath, coughing, and wheezing.
  • Formoterol fumarate is a LABA (long-acting beta₂-agonist) that relaxes the muscles surrounding the airways. This helps keep the airways open and makes breathing easier for an extended period.

Together, these two ingredients help reduce airway inflammation and maintain open airways, allowing better airflow to the lungs.

Dulera Inhaler Ingredients

Dulera Inhaler Ingredients

Dulera is a combination asthma inhaler that contains two active medications along with inactive ingredients that help deliver the drug effectively into the lungs.

Active Ingredients

IngredientDrug ClassPurpose
Mometasone furoateInhaled corticosteroid (ICS)Reduces inflammation and swelling in the airways to help prevent asthma symptoms.
Formoterol fumarateLong‑acting beta₂‑agonist (LABA)Relaxes airway muscles and helps keep the airways open for easier breathing.

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Inactive Ingredients

IngredientRole in the Dulera Inhaler
Hydrofluoroalkane (HFA‑227) propellantHelps deliver the medication as an aerosol spray into the lungs.
Ethanol (alcohol)Acts as a solvent to keep the medication evenly mixed.
Oleic AcidActs as a stabilizing agent that helps maintain proper formulation and aerosol performance.

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Important: These ingredients are listed according to the FDA-approved prescribing information for Dulera. Patients who have allergies to any component of the inhaler should consult their healthcare provider before use.

How to Use a Dulera Inhaler?

How to Use a Dulera Inhaler?

Consider the following Dulera administration guidelines for safe use:

  • Shake the inhaler well before each administration.
  • Prime the steroid inhaler before the first use or if it has not been used for several days.
  • Exhale fully, then put the mouthpiece in your mouth & close your lips properly around it.
  • Press the canister while inhaling deeply and slowly.
  • Hold your breath for 10 seconds only, then breathe out slowly.
  • If a second puff is prescribed, wait about 30 seconds before repeating your dose.
  • Rinse your mouth after use and spit it out to prevent oral thrush.
  • Use the medication at the same time every day for consistent asthma control.
Dulera Dosage Instructions

Dulera Dosage Instructions

Dulera inhaler dosages may vary depending on the patient’s age, asthma severity, and treatment response. Below are Dulera dosage for asthma management:

Patient GroupTypical Dosage
Adults and adolescents (12 years and older)2 inhalations twice daily (morning and evening). Available strengths: 100 mcg/5 mcg or 200 mcg/5 mcg per inhalation.
Children (5–11 years)2 inhalations of 50 mcg/5 mcg twice daily as prescribed by a doctor.

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Dulera Steroid Inhaler Side Effects

Dulera side effects may include:

Common Side Effects of DuleraMild Side Effects of DuleraRare or Serious Side Effects of Dulera
Nasopharyngitis (common cold symptoms)Hoarseness or voice changesParadoxical bronchospasm (sudden breathing difficulty)
HeadacheThroat irritationSevere allergic reactions
SinusitisMild coughAdrenal suppression
Upper respiratory infectionOral thrush (oral candidiasis)Decreased bone mineral density
Flu‑like symptomsDry mouthEye problems (glaucoma or cataracts)
Back painMild nauseaCardiovascular effects (fast heart rate, high blood pressure)
Muscle crampsHypokalemia (low potassium levels)
Hyperglycemia (increased blood sugar levels)

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Dulera Warnings

Dulera Warnings

  • LABA medicines may increase the risk of asthma-related death if used without an inhaled corticosteroid. Dulera contains both medicines together to reduce this risk.
  • Dulera is not a rescue inhaler and should not be used to treat sudden asthma attacks.
  • Paradoxical bronchospasm may occur after inhalation and can be life-threatening. Stop use and seek medical care if breathing suddenly worsens.
  • Oral fungal infections (thrush) may occur due to the corticosteroid component. Rinse your mouth after each use to lower this risk.
  • Immune system suppression may increase susceptibility to infections such as chickenpox or measles.
  • Long-term corticosteroid use may lead to decreased bone mineral density, glaucoma, or cataracts.

When Should You Contact a Doctor?

Seek medical advice if your asthma symptoms worsen, if your rescue inhaler becomes less effective, or if you experience severe side effects such as chest pain, rapid heartbeat, or worsening breathing problems.

What Precautions Should Be Taken During Dulera?

What Precautions Should Be Taken During Dulera?

  • Use Dulera exactly as prescribed and do not exceed the recommended dose.
  • Always carry a rescue inhaler for sudden asthma symptoms.
  • Do not stop using Dulera abruptly without medical advice, as asthma symptoms may worsen.
  • Tell your healthcare provider if you have heart disease, high blood pressure (hypertension), diabetes, seizures, thyroid disorders, or liver problems.
  • Pregnant or breastfeeding women should consult a pharmacist or healthcare professional before using Dulera.
Dulera Inhaler Drug Interactions

Dulera Inhaler Drug Interactions

Dulera can interact with several medications. Here are some Dulera interactions you should know about:

Drug / Drug ClassDrug ExamplesPossible Interaction
Strong CYP3A4 inhibitorsKetoconazole, Itraconazole, Ritonavir, ClarithromycinMay increase systemic exposure to mometasone, raising the risk of corticosteroid side effects such as adrenal suppression and Cushing‑like effects.
Beta‑blockersPropranolol, Atenolol, MetoprololMay block the bronchodilator effect of formoterol and can trigger bronchospasm in asthma patients.
Diuretics (non‑potassium sparing)Furosemide, HydrochlorothiazideMay increase the risk of hypokalemia and ECG changes when used with beta‑agonists like formoterol.
Tricyclic antidepressants / MAO inhibitorsAmitriptyline, Phenelzine, TranylcypromineMay potentiate the cardiovascular effects of beta‑agonists, increasing the risk of arrhythmias and hypertension.
Other LABA medicationsSalmeterol, Indacaterol, OlodaterolConcomitant use may increase the risk of overdose and serious asthma‑related events; it should generally be avoided.
Systemic corticosteroidsPrednisone, DexamethasoneMay increase overall corticosteroid exposure, raising the risk of adrenal suppression and systemic steroid effects

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Dulera Inhaler Alternatives

Dulera Inhaler Alternatives

When considering Dulera alternatives, here are some options to help manage asthma symptoms:

  • Symbicort (budesonide + formoterol)
  • Advair Diskus (fluticasone propionate + salmeterol)
  • Breo Ellipta (fluticasone furoate + vilanterol)
  • AirDuo RespiClick (fluticasone propionate + salmeterol)
Why Buy Dulera Online from Canada with Polar Bear Meds?

Why Buy Dulera Online from Canada with Polar Bear Meds?

The cost of asthma medications like Dulera can be significantly higher in the U.S., making long-term treatment difficult for many patients. To help reduce this burden, many people choose to buy Dulera online from Canada through trusted international pharmacy services such as Polar Bear Meds.

When you order Dulera inhaler online, you may be able to save substantially compared with typical U.S. retail pharmacy prices. Polar Bear Meds works with licensed Canadian and international pharmacies to source medications that meet strict safety and quality standards. This helps ensure patients receive genuine prescription medications while managing the cost of ongoing asthma treatment.

New customers can also take advantage of a Dulera coupon code “WELCOMEPB10”, which provides 10% off the first order. In addition, many orders qualify for fast delivery through Xpress Post, typically arriving within 3–5 business days, depending on location and pharmacy fulfillment.

Important Disclaimer

Important Disclaimer

The information provided here is for general educational purposes only and should not be considered medical advice. Dulera is a prescription medication used for the maintenance treatment of asthma. Always consult a licensed doctor before starting, stopping, or changing any medication. Do not rely solely on this information for medical decisions. This information is based on official prescribing information, clinical drug databases, and trusted medical organizations.

Common Questions About Dulera

Common Questions About Dulera

Dr. Jackson Miller

Medically Reviewed by Dr. Jackson Miller (M.D)

Dr. Jackson Miller is a board-certified medicine physician & hospitalist. He is a healthcare professional with a strong background in patient care. With years of experience and a patient-first approach, he believes the foundation of good health is a patient who feels informed and empowered. He contributes to medical content review, drawing on his background in clinical practice and patient education. He focuses on presenting health information in a clear, accurate, and accessible way to help readers make informed decisions. His work emphasizes clarity, evidence-based guidance, and understandable explanations of medical topics.

Find Dr. Jackson Miller on:LinkedIn

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