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Severe asthma evaluation and biologic treatment

Asthma that remains uncontrolled deserves a careful review. Difficult-to-control asthma may reflect inhaler technique, adherence, exposures or another illness.

Nao Medical can coordinate primary care, allergy, pulmonary, testing, and medication-access steps. The first visit does not guarantee biologic eligibility, a specific product, or same-day administration.

A biologic does not treat an asthma emergency

Call 911 for severe breathing difficulty, blue or gray lips, confusion, exhaustion, fainting, or symptoms that do not respond to the prescribed rescue plan. Do not wait for a severe-asthma appointment.

Evaluation comes before medication delivery Book an evaluation first. The care team confirms the clinical plan, coverage path, receiving clinic, and appointment before any specialty-pharmacy shipment or administration.

Severe asthma and biologics

Asthma that remains uncontrolled deserves a careful review. Difficult-to-control asthma may reflect inhaler technique, adherence, exposures or another illness. Severe asthma remains uncontrolled despite optimized treatment, or worsens when that treatment is reduced. A specialist assessment helps distinguish these situations before a biologic is selected.

How severe asthma and biologics works

Asthma biologics target specific inflammatory pathways. Allergic asthma may fit Xolair; eosinophilic asthma may fit Nucala, Fasenra, Cinqair or Exdensur. Dupixent has an eosinophilic or oral-steroid-dependent asthma indication. Tezspire’s severe-asthma indication does not require a named eosinophilic phenotype. A laboratory result is one part of choosing treatment, not a ranking of drugs.

Eligibility: Severe asthma and biologics

Review confirmed asthma, attacks, steroid courses, hospital care and symptoms despite appropriate inhaled treatment. Age limits differ: Nucala, Fasenra and asthma Dupixent start at age 6; Tezspire and Exdensur at 12; Cinqair is for adults; Xolair starts at 6 with qualifying allergic asthma. The clinician matches age, phenotype, prior care and other conditions to the exact label.

What to expect: Severe asthma and biologics

Begin with records, lung-function review and optimization of current care. Choose a biologic only after discussing indication, route and goals. Arrange an order, authorization, dispensing and training or administration. Exdensur is a healthcare-provider-administered 100 mg subcutaneous injection every six months. Other asthma biologics have different schedules, and Cinqair is an IV infusion.

Preparing for your appointment

Bring spirometry, eosinophil and relevant IgE results, inhalers, allergy history and records of oral steroids, attacks and hospital visits. Include the current action plan and prior biologic response. Tell the clinician about infections, vaccinations, pregnancy plans and reaction history. Ask where spirometry or biomarker testing takes place rather than assuming every Nao clinic performs it.

Risks and when to seek help

A biologic does not treat an acute attack. Follow the rescue plan and seek emergency help for severe or rapidly worsening breathing trouble. Continue prescribed controller inhalers; systemic or inhaled steroids should not be stopped abruptly. Review product-specific allergic-reaction and helminth precautions. A long injection interval does not remove the need for day-to-day asthma care.

Follow-up and treatment review

Track attacks, rescue use, symptoms, sleep, activity and steroid exposure. The treating specialist reassesses response over time and decides whether to continue, switch or adjust other treatment. Results vary and a first dose does not prove success. Confirm missed-dose advice for the actual product; do not self-inject Exdensur or transfer its six-month schedule to another biologic.

Appointments, costs and coverage

Confirm whether the chosen Nao visit covers evaluation, specialist coordination, prescribing or administration. A first appointment does not guarantee a dose. Authorization, pharmacy delivery, storage, an administration order and the clinic’s capacity must be settled first. Ask about visit, drug, administration and testing costs separately and plan the next review before leaving.

Questions about your care

What is the difference between difficult-to-control and severe asthma?

Difficult-to-control asthma can reflect inhaler technique, missed doses, exposures or another condition. Severe asthma remains uncontrolled despite optimized high-dose treatment and addressing those factors, or worsens when that treatment is reduced. The specialist reviews diagnosis and these issues before choosing a biologic; frequent symptoms alone do not establish severe asthma.

What records should I bring to a severe-asthma evaluation?

Bring spirometry, eosinophil and relevant IgE results, inhalers, allergy history and records of oral steroids, attacks and hospital visits. Include the current action plan and prior biologic response. Tell the clinician about infections, vaccinations, pregnancy plans and reaction history. Ask where spirometry or biomarker testing takes place rather than assuming every Nao clinic performs it.

Will Nao perform spirometry or biomarker testing at every clinic?

Confirm the exact service at the selected clinic before booking. Evaluation, prescribing, testing, training and administration are separate capabilities. Confirm whether the chosen Nao visit covers evaluation, specialist coordination, prescribing or administration. A first appointment does not guarantee a dose. Authorization, pharmacy delivery, storage, an administration order and the clinic’s capacity must be settled first. Ask about visit, drug, administration and testing costs separately and plan the next review before leaving.

How does a clinician choose among asthma biologics?

The clinician reviews confirmed severe asthma, prior optimized treatment, attacks, oral-steroid use, age and relevant biomarkers such as eosinophils or IgE. Other conditions, route, dosing interval, safety and access also matter. Product indications differ; for example, Tezspire does not require a specific high eosinophil count, while Exdensur targets the eosinophilic phenotype.

Does Tezspire require a high eosinophil count?

Tezspire’s US severe-asthma indication starts at age 12 and does not require a specific high eosinophil count. Biomarkers can still help the clinician compare options, and insurer rules may require additional documentation. Diagnosis, optimized prior care and asthma control need assessment; a normal count alone does not settle treatment suitability.

Can I stop my inhalers after starting a biologic?

A biologic does not treat an acute attack. Follow the rescue plan and seek emergency help for severe or rapidly worsening breathing trouble. Continue prescribed controller inhalers; systemic or inhaled steroids should not be stopped abruptly. Review product-specific allergic-reaction and helminth precautions. A long injection interval does not remove the need for day-to-day asthma care. Track attacks, rescue use, symptoms, sleep, activity and steroid exposure. The treating specialist reassesses response over time and decides whether to continue, switch or adjust other treatment. Results vary and a first dose does not prove success. Confirm missed-dose advice for the actual product; do not self-inject Exdensur or transfer its six-month schedule to another biologic.

How soon will a biologic work?

Benefit is assessed over time and varies by medicine and patient; a first dose does not guarantee immediate control. The specialist sets a trial and review period and follows attacks, rescue use, symptoms, activity and steroid exposure. Continue the prescribed inhalers and emergency plan. A biologic is maintenance treatment and should not be used to treat an acute attack.

Can I receive a severe-asthma biologic at my first appointment?

A consultation starts with the clinical review and required records. Treatment or a procedure depends on suitability, the actual order, safety checks, staff, supplies and any authorization; booking does not guarantee a dose or procedure that day. Begin with records, lung-function review and optimization of current care. Choose a biologic only after discussing indication, route and goals. Arrange an order, authorization, dispensing and training or administration. Exdensur is a healthcare-provider-administered 100 mg subcutaneous injection every six months. Other asthma biologics have different schedules, and Cinqair is an IV infusion.

What should happen before treatment starts?

Before treatment starts, confirm the diagnosis, the intended benefit, the exact treatment and who will coordinate ongoing care. Begin with records, lung-function review and optimization of current care. Choose a biologic only after discussing indication, route and goals. Arrange an order, authorization, dispensing and training or administration. Exdensur is a healthcare-provider-administered 100 mg subcutaneous injection every six months. Other asthma biologics have different schedules, and Cinqair is an IV infusion.

What should I prepare for this evaluation?

Prepare the relevant dated records, current medicine list and your main questions, and confirm any treatment-specific instructions before attending. Bring spirometry, eosinophil and relevant IgE results, inhalers, allergy history and records of oral steroids, attacks and hospital visits. Include the current action plan and prior biologic response. Tell the clinician about infections, vaccinations, pregnancy plans and reaction history. Ask where spirometry or biomarker testing takes place rather than assuming every Nao clinic performs it.

What follow-up needs planning?

Agree on the next review, how response and safety will be checked, and who to contact for symptoms, missed treatment or a refill problem. Track attacks, rescue use, symptoms, sleep, activity and steroid exposure. The treating specialist reassesses response over time and decides whether to continue, switch or adjust other treatment. Results vary and a first dose does not prove success. Confirm missed-dose advice for the actual product; do not self-inject Exdensur or transfer its six-month schedule to another biologic.

What should I do if coverage for a severe-asthma biologic is denied after treatment has started?

Contact the prescribing team and the insurer promptly, before the next treatment date. Ask for the written reason, authorization dates, missing records and the appeal instructions for your plan. Tell the prescriber when the next dose is due so a treatment gap can be assessed. Do not change the dose or substitute another medicine yourself. An appeal or manufacturer assistance request does not establish approval. Appeal routes and deadlines depend on the plan and the kind of denial; New York’s fully insured plan rules do not cover every type of insurance.

What is asthma?

Asthma is a long-term condition of the airways in the lungs. The airways can become inflamed and narrowed, making breathing harder. Symptoms may come and go and can worsen into an attack. Having asthma does not by itself mean it is severe or that a biologic is needed; diagnosis and control should be reviewed first.

What causes asthma, and can it run in families?

There is no single known cause of asthma. Family history, environmental exposures, respiratory infections and other factors can contribute, so genes can influence risk without making asthma inevitable. Causes of developing the condition differ from triggers that worsen existing symptoms, such as pollen, exercise or cold air. Review your history and exposures with the clinician.

What does asthma feel like?

Asthma can cause chest tightness, shortness of breath, a wheezing sound or cough, often at night or early morning. Symptoms can come and go or worsen with infections or triggers. Other conditions can feel similar, so symptoms alone do not confirm asthma. Follow your asthma action plan, and seek emergency help for severe breathing trouble or symptoms that do not respond to your rescue treatment.

Can asthma go away?

There is no cure for asthma, but treatment and an asthma action plan can control symptoms. Symptoms can vary over time; feeling well does not by itself establish that asthma has gone. Continue the agreed treatment and review changes with the clinician rather than stopping medicines on your own.

Can asthma develop in adulthood?

Yes. Asthma often starts in childhood, but some people first develop signs in adulthood. New cough, wheeze or breathlessness needs assessment because other conditions can cause similar symptoms. Discuss exposures at work and home, allergies and family history; lung-function testing can help confirm the diagnosis.

How can I find out whether I have asthma?

Start with a clinical review of symptoms, timing, triggers and health history. Tests may include spirometry and comparison before and after a bronchodilator; sometimes other lung-function or challenge tests are needed. Wheeze, a symptom checklist or one blood result alone does not settle the diagnosis. Ask which tests and follow-up are appropriate for you.

Medical sources

Nao Medical clinic and service information

Review Nao Medical's urgent and emergency care guidance. Call 911 for a life-threatening emergency.

Clinics available for evaluation booking

Nao Medical 174th Street clinic

Bronx

174th Street

932 E 174th St, Bronx, NY 10460

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Astoria clinic

Queens

Astoria

37-15 23rd Ave, Astoria, NY 11105

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Bartow Mall clinic

Bronx

Bartow Mall

2063A Bartow Ave, Bronx, NY 10475

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Crown Heights clinic

Brooklyn

Crown Heights

341 Eastern Pkwy, Brooklyn, NY 11216

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Hicksville clinic

Long Island

Hicksville

232 W Old Country Rd, Hicksville, NY 11801

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Jackson Heights clinic

Queens

Jackson Heights

80-10 Northern Blvd, Jackson Heights, NY 11372

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Jamaica clinic

Queens

Jamaica

90-18 Sutphin Blvd, Jamaica, NY 11435

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Long Island City clinic

Queens

Long Island City

30-07 36th Ave, Astoria, NY 11106

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Mineola clinic

Long Island

Mineola

135 Mineola Blvd, Mineola, NY 11501

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical StuyTown clinic

Manhattan

StuyTown

259 1st Ave, New York, NY 10003

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Nao Medical Williamsburg clinic

Brooklyn

Williamsburg

308 Graham Ave, Brooklyn, NY 11211

Call to arrange a severe-asthma evaluation and discuss biologic treatment. If the plan includes an injection or infusion, confirm the medication, receiving clinic and treatment appointment with the care team.

Xolair injection support

Product-specific allergic-asthma eligibility, dosing inputs, boxed warning, access, and administration.

Primary care

Routine care, medication reconciliation, vaccination, and coordination with allergy or pulmonary specialists.

Clinical and regulatory sources

2026 GINA Severe Asthma Guide

Confirmation of difficult-to-treat or severe asthma, treatment optimization, phenotype assessment, biologic selection, and response review.

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Updated August 1, 2026. This information does not replace an individual medical evaluation. A licensed clinician determines diagnosis, medication eligibility, testing, dosing, administration, and follow-up. Contact Nao Medical with a medical-content question or correction.