Wixela Inhub Diskus 100/50mcg 60s

Manufacturer MYLAN Active Ingredient Fluticasone and Salmeterol Inhalation Powder(floo TIK a sone & sal ME te role) Pronunciation floo TIK a sone & sal ME te role
It is used to treat asthma.Some brands are used to treat COPD (chronic obstructive pulmonary disease).It may be given to you for other reasons. Talk with the doctor.Do not use this drug to treat intense flare-ups of shortness of breath. Use a rescue inhaler. If you have questions, talk with the doctor.
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Drug Class
Bronchodilator/Corticosteroid Combination
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Pharmacologic Class
Inhaled Corticosteroid (ICS) / Long-Acting Beta2-Adrenergic Agonist (LABA)
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Pregnancy Category
Not available
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FDA Approved
Jan 2019
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DEA Schedule
Not Controlled

Overview

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What is this medicine?

Wixela Inhub is an inhaler that contains two medicines: fluticasone and salmeterol. Fluticasone is a steroid that helps reduce inflammation in your lungs, which can make breathing easier. Salmeterol is a long-acting bronchodilator that helps open up your airways for a longer period. This combination helps to prevent symptoms like wheezing, shortness of breath, and coughing in people with asthma or COPD. It is not for sudden breathing problems.
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How to Use This Medicine

Proper Use of This Medication

To use this medication correctly, follow your doctor's instructions and read all the information provided. This medication is for inhalation only. Continue using it as directed by your doctor or healthcare provider, even if you feel well. Take your dose at the same time every day.

After each use, rinse your mouth with water, but do not swallow the water. Instead, spit it out. If you are using multiple inhaled medications, ask your doctor which one to use first.

Preparing and Taking Your Dose

Only prepare a dose when you are ready to take it. If you prepare a dose and then close the inhaler without taking it, the medication will be wasted and the inhaler may be damaged. When taking your dose, do not breathe out into the inhaler. Close the inhaler after use.

Important Safety Precautions

Do not take an extra dose, even if you did not taste or feel the powder. Do not disassemble the device or wash it, and do not use it with a spacer. Also, avoid breathing out into the device.

Cleaning and Maintenance

To clean the mouthpiece, gently wipe it with a dry tissue or cloth. Do not wash it or put it in water.

Tracking Your Doses

This inhaler has a built-in dose counter to help you keep track of how many doses are left. When the counter reaches "0," or after 1 month from opening the foil pouch, or when the expiration date is reached (whichever comes first), discard the inhaler.

Storage and Disposal

Store the medication at room temperature in a dry place, away from the bathroom. Keep it in the foil pouch until you are ready to use it.

What to Do If You Miss a Dose

If you miss a dose, skip it and return to your regular schedule. Do not take two doses at the same time or take extra doses.
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Lifestyle & Tips

  • Use exactly as prescribed, usually two puffs twice a day, about 12 hours apart.
  • Do not use for sudden breathing problems; always carry a fast-acting rescue inhaler (e.g., albuterol) for emergencies.
  • Rinse your mouth with water and spit it out after each dose to help prevent oral thrush (a fungal infection in the mouth). Do not swallow the water.
  • Clean the mouthpiece of your inhaler regularly as instructed.
  • Do not stop using this medicine suddenly, even if you feel better, without talking to your doctor.
  • Avoid triggers that worsen your asthma or COPD (e.g., smoke, allergens, pollution).
  • Maintain regular follow-up appointments with your doctor to monitor your lung function and overall control.

Dosing & Administration

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Adult Dosing

Standard Dose: One inhalation of Wixela Inhub 100/50 mcg twice daily (morning and evening), approximately 12 hours apart.
Dose Range: 100 - 500 mg

Condition-Specific Dosing:

asthma: One inhalation of Wixela Inhub 100/50 mcg, 250/50 mcg, or 500/50 mcg twice daily, depending on severity and previous treatment. Max 500/50 mcg BID.
copd: One inhalation of Wixela Inhub 250/50 mcg twice daily.
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Pediatric Dosing

Neonatal: Not established
Infant: Not established
Child: Asthma (4-11 years): One inhalation of Wixela Inhub 100/50 mcg twice daily.
Adolescent: Asthma (>=12 years): One inhalation of Wixela Inhub 100/50 mcg, 250/50 mcg, or 500/50 mcg twice daily, depending on severity and previous treatment.
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Dose Adjustments

Renal Impairment:

Mild: No dosage adjustment necessary.
Moderate: No dosage adjustment necessary.
Severe: No dosage adjustment necessary.
Dialysis: No specific recommendations; systemic exposure is low.

Hepatic Impairment:

Mild: No dosage adjustment necessary.
Moderate: Use with caution; monitor for increased systemic corticosteroid effects.
Severe: Use with caution; monitor for increased systemic corticosteroid effects. Fluticasone propionate is primarily cleared by hepatic metabolism.
Confidence: Medium

Pharmacology

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Mechanism of Action

Fluticasone propionate is a synthetic trifluorinated corticosteroid with potent anti-inflammatory activity. It acts by binding to glucocorticoid receptors, inhibiting the release of inflammatory mediators (e.g., histamine, eicosanoids, leukotrienes, cytokines) and suppressing the migration of inflammatory cells (e.g., eosinophils, mast cells, lymphocytes, macrophages, neutrophils). Salmeterol xinafoate is a long-acting beta2-adrenergic agonist (LABA). It selectively stimulates beta2-adrenergic receptors in the bronchial smooth muscle, leading to bronchodilation by increasing cyclic AMP levels, which relaxes smooth muscle and inhibits the release of mediators from mast cells.
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Pharmacokinetics

Absorption:

Bioavailability: Fluticasone: Low systemic bioavailability (<30% for oral inhalation due to high first-pass metabolism and incomplete absorption). Salmeterol: Low systemic bioavailability (approximately 5-10% of the inhaled dose reaches systemic circulation).
Tmax: Fluticasone: 0.5-2 hours (systemic). Salmeterol: 5-10 minutes (bronchodilation), 10 minutes (systemic).
FoodEffect: Not applicable for inhaled powder.

Distribution:

Vd: Fluticasone: Approximately 300 L. Salmeterol: Approximately 16 L/kg.
ProteinBinding: Fluticasone: Approximately 91%. Salmeterol: Approximately 96%.
CnssPenetration: Limited

Elimination:

HalfLife: Fluticasone: Approximately 8 hours (terminal). Salmeterol: Approximately 5.5 hours (terminal).
Clearance: Fluticasone: High systemic clearance (approximately 1150 mL/min). Salmeterol: High systemic clearance (approximately 1200 mL/min).
ExcretionRoute: Fluticasone: Primarily feces (as metabolites), <5% urine. Salmeterol: Primarily feces (approximately 60%), urine (approximately 25%).
Unchanged: Fluticasone: <5% in urine. Salmeterol: <5% in urine.
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Pharmacodynamics

OnsetOfAction: Salmeterol: 10-20 minutes (significant bronchodilation). Fluticasone: Not applicable for acute bronchodilation; therapeutic effects for inflammation may take days to weeks.
PeakEffect: Salmeterol: 2-4 hours. Fluticasone: Weeks for maximal anti-inflammatory effect.
DurationOfAction: Salmeterol: 12 hours. Fluticasone: 12 hours (anti-inflammatory effects persist with regular dosing).
Confidence: High

Safety & Warnings

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BLACK BOX WARNING

Long-acting beta2-adrenergic agonists (LABAs), such as salmeterol, increase the risk of asthma-related death. Data from a large, placebo-controlled US study (SMART study) showed an increase in asthma-related deaths in patients receiving salmeterol. This finding with salmeterol is considered a class effect of LABAs. The safety and effectiveness of Wixela Inhub in patients with asthma have been established based on the demonstration of efficacy in adult and pediatric patients and on the finding that the systemic exposure to salmeterol in Wixela Inhub is similar to that in ADVAIR DISKUS. The SMART study did not evaluate the safety of salmeterol in combination with an inhaled corticosteroid. However, a large safety study in asthma patients showed that ADVAIR DISKUS did not increase the risk of serious asthma-related events (hospitalizations, intubations, death) compared to fluticasone propionate alone. Wixela Inhub is NOT indicated for the relief of acute bronchospasm. Wixela Inhub should NOT be initiated in patients during rapidly deteriorating or life-threatening episodes of asthma or COPD. Wixela Inhub should NOT be used more often than recommended, at higher doses than recommended, or with other LABA-containing products.
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Side Effects

Urgent Side Effects: Seek Medical Help Right Away

Although rare, some people may experience severe and potentially life-threatening side effects while taking this medication. If you notice any of the following symptoms, contact your doctor or seek immediate medical attention:

Signs of an allergic reaction: rash, hives, itching, red, swollen, blistered, or peeling skin (with or without fever), wheezing, tightness in the chest or throat, difficulty breathing, swallowing, or talking, unusual hoarseness, or swelling of the mouth, face, lips, tongue, or throat
Signs of infection: fever, chills, severe sore throat, ear or sinus pain, cough, increased or changed sputum production, painful urination, mouth sores, or a wound that won't heal
Signs of high blood sugar: confusion, drowsiness, excessive thirst or hunger, frequent urination, flushing, rapid breathing, or fruity-smelling breath
Signs of low potassium levels: muscle pain or weakness, muscle cramps, or an irregular heartbeat
Signs of a weak adrenal gland: severe nausea or vomiting, extreme dizziness or fainting, muscle weakness, fatigue, mood changes, decreased appetite, or weight loss
Signs of high or low blood pressure: severe headache or dizziness, fainting, or changes in vision
Chest pain or pressure
Rapid or abnormal heartbeat
Shakiness
Feeling nervous or agitated
Changes in behavior
Vision changes, eye pain, or severe eye irritation
Abnormal burning, numbness, or tingling sensations
Choking
Voice changes
Seizures
Bone pain
Sleep disturbances
Feeling extremely tired or weak
Vaginal itching or discharge
Weight gain
Mouth irritation or mouth sores
Redness or white patches in the mouth or throat

Respiratory Emergency

This medication can cause severe breathing problems, which may be life-threatening. If you experience difficulty breathing, worsening breathing, wheezing, or coughing after taking this medication, use a rescue inhaler and seek immediate medical attention.

Other Possible Side Effects

Like all medications, this drug can cause side effects. While many people may not experience any side effects or only minor ones, it's essential to discuss any concerns with your doctor. If you experience any of the following side effects or any other symptoms that bother you or persist, contact your doctor:

Headache
Upset stomach or vomiting
Throat irritation
* Signs of a common cold

This is not an exhaustive list of possible side effects. If you have questions or concerns, consult your doctor. You can also report side effects to the FDA at 1-800-332-1088 or online at https://www.fda.gov/medwatch.
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Seek Immediate Medical Attention If You Experience:

  • Worsening breathing problems or increased need for your rescue inhaler (call your doctor immediately).
  • Signs of an allergic reaction (e.g., rash, hives, swelling of face/lips/tongue, severe dizziness, trouble breathing).
  • Signs of oral thrush (white patches in your mouth or throat).
  • Signs of pneumonia (fever, chills, increased mucus, change in mucus color, increased cough or breathing problems) - especially in COPD patients.
  • Signs of adrenal insufficiency (e.g., severe tiredness, weakness, nausea, vomiting, dizziness, fainting).
  • Signs of high blood sugar (e.g., increased thirst, increased urination, dry mouth, fruity breath odor).
  • Eye problems (e.g., blurred vision, eye pain, glaucoma, cataracts).
  • Bone problems (e.g., bone pain, fractures).
  • Heart problems (e.g., fast or pounding heartbeat, chest pain, tremor, nervousness).
  • Paradoxical bronchospasm (sudden worsening of breathing right after using the inhaler - use your rescue inhaler and call your doctor).
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Before Using This Medicine

Before Taking This Medication: Important Information to Share with Your Doctor

It is essential to inform your doctor about the following:

Any allergies you have, including allergies to this medication, its components, or other substances, such as foods or drugs. Describe the allergic reaction you experienced, including the symptoms that occurred.
If you are currently taking a similar medication. If you are unsure, consult your doctor or pharmacist to confirm.
Any medications you are taking, including prescription and over-the-counter (OTC) drugs, natural products, and vitamins, that may interact with this medication. Certain medications used to treat conditions like HIV, infections, and depression may not be compatible with this drug. Your doctor or pharmacist can advise you on potential interactions.
If you have a milk allergy.

Please note that this is not an exhaustive list of all potential interactions or health problems that may affect the use of this medication. To ensure your safety, it is crucial to:

Inform your doctor and pharmacist about all your medications (prescription and OTC), natural products, vitamins, and health problems.
Verify that it is safe to take this medication with your existing medications and health conditions.
* Do not initiate, discontinue, or modify the dosage of any medication without first consulting your doctor.
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Precautions & Cautions

Important Warnings and Cautions

Before taking this medication, inform all your healthcare providers, including doctors, nurses, pharmacists, and dentists, that you are using this drug.

It may take approximately 1 week to experience the full effects of this medication. If you have diabetes (high blood sugar), consult your doctor, as this medication may increase your blood sugar levels.

Monitor your breathing problems closely, and contact your doctor immediately if they worsen, if your rescue inhaler becomes less effective, or if you need to use it more frequently.

Dosage and Administration

Do not exceed the prescribed dose or use this medication more often than directed. Overdose can be fatal, so it is essential to follow your doctor's instructions carefully.

Special Considerations

When transitioning from an oral steroid to another form of steroid, you may be at risk for severe and potentially life-threatening side effects. Be aware of signs such as weakness, fatigue, dizziness, nausea, vomiting, confusion, or low blood sugar, and contact your doctor immediately if you experience any of these symptoms.

In the event of a severe injury, surgery, or infection, you may require additional doses of oral steroids to help your body cope with the stress. Carry a warning card indicating that you may need extra steroids in these situations.

Long-term Use

Prolonged use of this medication may increase your risk of developing cataracts or glaucoma. Consult your doctor and schedule regular eye exams as recommended.

Long-term use may also lead to osteoporosis (weak bones). Discuss your risk factors with your doctor and undergo bone density tests as advised.

Infection Risk

You may be more susceptible to infections while taking this medication. To minimize your risk, practice good hygiene by washing your hands frequently, and avoid close contact with people who have infections, colds, or flu.

If you have not had chickenpox or measles before, avoid exposure to these illnesses, as they can be severe or even fatal in people taking steroid medications like this one. If you have been exposed, consult your doctor promptly.

Special Populations

If you are 65 or older, use this medication with caution, as you may be more prone to side effects.

In children and adolescents, this medication may affect growth in some cases. Regular growth checks may be necessary, so consult your doctor.

Pregnancy and Breastfeeding

If you are pregnant, plan to become pregnant, or are breastfeeding, discuss the benefits and risks of this medication with your doctor.

COPD

If you have chronic obstructive pulmonary disease (COPD), you are at a higher risk of developing pneumonia. This medication may further increase this risk, so consult your doctor to discuss your individual situation.
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Overdose Information

Overdose Symptoms:

  • Chest pain
  • Fast or irregular heartbeat
  • Severe tremor or nervousness
  • Headache
  • Dizziness
  • Nausea
  • Weakness
  • Seizures
  • Hypokalemia (low potassium)
  • Hyperglycemia (high blood sugar)
  • Adrenal suppression (with chronic overdose)

What to Do:

Seek immediate medical attention. Call 911 or your local poison control center (1-800-222-1222 in the US). Treatment is supportive and symptomatic. Monitor cardiac function, serum potassium, and blood glucose levels.

Drug Interactions

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Contraindicated Interactions

  • Strong CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, clarithromycin, telithromycin, nefazodone) - concomitant use is not recommended due to increased systemic exposure to fluticasone and salmeterol, leading to increased risk of cardiovascular and systemic corticosteroid adverse effects.
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Major Interactions

  • Beta-blockers (e.g., propranolol, carvedilol) - may block the bronchodilatory effect of salmeterol and produce severe bronchospasm, especially in patients with asthma. Generally, patients with asthma should not be treated with beta-blockers.
  • Diuretics (e.g., furosemide, hydrochlorothiazide) - may potentiate ECG changes and/or hypokalemia associated with LABAs, especially at high doses.
  • Tricyclic antidepressants (TCAs) and Monoamine Oxidase Inhibitors (MAOIs) (e.g., amitriptyline, phenelzine) - may potentiate the effect of salmeterol on the cardiovascular system. Use with extreme caution or avoid within 2 weeks of discontinuing MAOIs/TCAs.
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Moderate Interactions

  • Other sympathomimetics - may potentiate adverse cardiovascular effects.
  • Non-potassium-sparing diuretics - may worsen ECG changes and/or hypokalemia.
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Minor Interactions

  • Not specifically listed for minor interactions with significant clinical impact.

Monitoring

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Baseline Monitoring

Pulmonary Function Tests (e.g., FEV1)

Rationale: To establish baseline lung function and assess disease severity (asthma/COPD).

Timing: Prior to initiation of therapy.

Oral cavity examination

Rationale: To check for signs of oral candidiasis (thrush) and instruct on proper rinsing.

Timing: Prior to initiation.

Adrenal function assessment (e.g., morning cortisol)

Rationale: Consider for patients transitioning from systemic corticosteroids or those at risk for adrenal suppression.

Timing: Prior to initiation if indicated.

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Routine Monitoring

Pulmonary Function Tests (e.g., FEV1)

Frequency: Periodically (e.g., every 6-12 months or as clinically indicated for asthma/COPD control).

Target: Improvement from baseline, maintenance of optimal lung function.

Action Threshold: Significant decline or lack of improvement may indicate inadequate control or need for re-evaluation.

Asthma/COPD symptom control (e.g., ACT/CAT score, frequency of rescue inhaler use, exacerbations)

Frequency: Regularly (e.g., at each follow-up visit, patient self-monitoring daily).

Target: Minimal symptoms, infrequent rescue inhaler use, no exacerbations.

Action Threshold: Increased symptoms, increased rescue inhaler use, or exacerbations indicate poor control and require treatment adjustment.

Oral cavity inspection

Frequency: Regularly (e.g., at each follow-up visit).

Target: Absence of white patches or inflammation.

Action Threshold: Presence of oral candidiasis requires antifungal treatment and reinforcement of rinsing technique.

Growth in pediatric patients

Frequency: Regularly (e.g., every 3-6 months).

Target: Normal growth velocity for age.

Action Threshold: Growth retardation may indicate systemic corticosteroid effects and require re-evaluation of therapy.

Serum Potassium and Glucose

Frequency: Periodically, especially in patients at risk for hypokalemia or hyperglycemia (e.g., concomitant diuretics, diabetes).

Target: Normal ranges.

Action Threshold: Significant deviations may require intervention or dose adjustment.

Bone Mineral Density (BMD)

Frequency: Consider for patients at high risk for osteoporosis with long-term ICS use.

Target: Maintain healthy BMD.

Action Threshold: Significant bone loss may require intervention.

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Symptom Monitoring

  • Worsening asthma/COPD symptoms (e.g., increased shortness of breath, wheezing, cough)
  • Increased need for rescue inhaler (e.g., albuterol)
  • Signs of oral candidiasis (white patches in mouth/throat)
  • Signs of systemic corticosteroid effects (e.g., easy bruising, moon face, weight gain, adrenal insufficiency symptoms like fatigue, nausea, dizziness)
  • Cardiovascular symptoms (e.g., palpitations, chest pain, tremor, nervousness)
  • Paradoxical bronchospasm (immediate worsening of breathing after inhalation)

Special Patient Groups

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Pregnancy

Use during pregnancy only if the potential benefit justifies the potential risk to the fetus. There are no adequate and well-controlled studies of Wixela Inhub in pregnant women. Animal studies have shown teratogenic effects with fluticasone and salmeterol at high doses. Poorly controlled asthma in pregnancy poses risks to both mother and fetus.

Trimester-Specific Risks:

First Trimester: Potential for teratogenicity observed in animal studies at high doses; human data limited.
Second Trimester: Continued need for asthma control; monitor for systemic corticosteroid effects.
Third Trimester: Continued need for asthma control; monitor for systemic corticosteroid effects and potential for labor inhibition (theoretical with LABAs).
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Lactation

Consider the developmental and health benefits of breastfeeding along with the mother's clinical need for Wixela Inhub and any potential adverse effects on the breastfed infant from the drug or from the underlying maternal condition. Fluticasone and salmeterol are excreted in animal milk; it is unknown if they are excreted in human milk. Systemic exposure to both drugs is low following inhalation.

Infant Risk: Low risk (L3) due to low systemic absorption and high protein binding, making infant exposure unlikely to be significant. Monitor for signs of systemic corticosteroid effects (e.g., growth suppression) or beta-agonist effects (e.g., irritability, tremor) in the infant, though unlikely.
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Pediatric Use

Approved for asthma in children aged 4 years and older. Monitor growth velocity in pediatric patients receiving ICS, as long-term use may affect growth. The lowest effective dose should be used. Safety and efficacy in children younger than 4 years have not been established. Not indicated for COPD in pediatric patients.

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Geriatric Use

No overall differences in safety or effectiveness have been observed between elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out. Dosage adjustment is generally not required based on age alone. Monitor for age-related comorbidities (e.g., cardiovascular disease, osteoporosis, diabetes) that may be affected by the drug.

Clinical Information

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Clinical Pearls

  • Wixela Inhub is a maintenance medication and should be used regularly, even when symptoms are absent. It is NOT a rescue inhaler.
  • Always instruct patients to rinse their mouth thoroughly with water and spit it out after each dose to minimize the risk of oral candidiasis (thrush) and systemic absorption of fluticasone.
  • Patients should be educated on the proper use of the Diskus device, including loading the dose and inhaling correctly.
  • Paradoxical bronchospasm is a rare but serious side effect; patients should be instructed to use their rescue inhaler immediately and seek medical attention if it occurs.
  • Regular monitoring of asthma/COPD control (e.g., symptom diaries, peak flow readings, frequency of rescue inhaler use) is crucial.
  • Be aware of potential drug interactions, especially with strong CYP3A4 inhibitors, which can significantly increase systemic exposure to both components.
  • In COPD patients, ICS/LABA combinations have been associated with an increased risk of pneumonia; monitor for signs and symptoms.
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Alternative Therapies

  • Inhaled Corticosteroids (ICS) monotherapy (e.g., fluticasone propionate, budesonide, mometasone) for asthma.
  • Long-Acting Beta2-Adrenergic Agonists (LABA) monotherapy (e.g., salmeterol, formoterol, arformoterol) - generally not recommended for asthma due to black box warning, but used in COPD.
  • Long-Acting Muscarinic Antagonists (LAMA) monotherapy (e.g., tiotropium, umeclidinium) for COPD.
  • Short-Acting Beta2-Adrenergic Agonists (SABA) for rescue (e.g., albuterol, levalbuterol).
  • Oral corticosteroids (for severe exacerbations or refractory disease).
  • Leukotriene receptor antagonists (e.g., montelukast) for asthma.
  • Phosphodiesterase-4 inhibitors (e.g., roflumilast) for severe COPD.
  • Biologics (e.g., omalizumab, mepolizumab, benralizumab, dupilumab) for severe asthma.
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Cost & Coverage

Average Cost: Varies, typically $200-$400 per 60-dose inhaler
Generic Available: Yes
Insurance Coverage: Tier 2 or 3 (generic may be Tier 1 or 2, brand Tier 3 or 4)
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General Drug Facts

If your symptoms or health issues persist or worsen, it is essential to contact your doctor for further guidance. To ensure your safety, never share your medication with others or take someone else's medication. Some medications may come with an additional patient information leaflet, so it's a good idea to check with your pharmacist for more information. If you have any questions or concerns about your medication, don't hesitate to reach out to your doctor, nurse, pharmacist, or other healthcare provider. In the event of a suspected overdose, immediately call your local poison control center or seek emergency medical attention. When seeking help, be prepared to provide details about the medication taken, the amount, and the time it happened.