Getting an inhaler typically requires a prescription from a doctor, nurse practitioner, or other licensed provider. The process involves a medical evaluation, a breathing test in most cases, and a visit (in person or virtual) where a provider determines which type of inhaler fits your situation. There is one over-the-counter option available without a prescription, though it carries more side effects than prescription alternatives.
Step 1: See a Provider for Evaluation
Physicians, nurse practitioners, physician assistants, and in some settings pharmacists with prescribing authority can all write inhaler prescriptions. You don’t necessarily need a specialist. A primary care provider can diagnose asthma or other breathing conditions and prescribe an inhaler during a standard office visit.
During the visit, your provider will ask about your symptoms: how often you feel short of breath, whether you wheeze or cough at night, whether exercise or cold air triggers breathing difficulty, and whether you have a family history of asthma or allergies. They’ll listen to your lungs with a stethoscope and look for signs of airway obstruction.
Step 2: Complete a Breathing Test
For anyone age 5 and older, providers typically use spirometry to confirm an asthma diagnosis. This involves blowing as hard and fast as you can into a tube connected to a machine that measures how much air your lungs can hold and how quickly you can push it out. The test takes about 15 minutes and is painless.
If your results show airway obstruction, you’ll inhale a bronchodilator (a medication that opens the airways) and repeat the test. Improvement after that puff supports an asthma diagnosis. If your initial spirometry comes back normal but your provider still suspects asthma, they may order a bronchoprovocation test, where you inhale a substance that temporarily narrows the airways to see how sensitive they are. Some providers also use peak flow meters, handheld devices you blow into at home multiple times a day, to track how your lung function changes over time or in response to triggers like work environments.
Getting an Inhaler Through Telehealth
Many providers now prescribe inhalers through telehealth visits, which can be faster and more convenient than an in-person appointment. A video or phone consultation is generally sufficient in most states, provided the provider can establish a genuine patient-provider relationship. Filling out an online questionnaire alone is not considered adequate for a prescription in most states.
Some states require a physical exam before a prescription can be written, but not all require that exam to happen in person. If you’ve already been diagnosed with asthma and need a refill, telehealth is especially straightforward. For a first-time diagnosis, your provider may still want spirometry, which requires an in-person visit or a trip to a testing facility. Check whether your state’s telehealth rules allow prescribing based on a virtual exam, as this varies significantly.
Which Type of Inhaler You’ll Get
Inhalers fall into two main categories, and your provider may prescribe one or both depending on your symptoms.
Rescue inhalers are for sudden breathing difficulty. They contain fast-acting medications that relax the muscles around your airways within minutes. The effects wear off after a few hours, so they’re not meant for daily use. Albuterol is the most commonly prescribed rescue inhaler. If you’re only having occasional symptoms (a few times a month or less), a rescue inhaler alone may be all you need.
Maintenance inhalers contain corticosteroids that reduce inflammation in your lungs over time. You use them every day, even when you feel fine, to prevent attacks from happening in the first place. If your symptoms persist despite using a rescue inhaler, guidelines recommend stepping up to a daily maintenance inhaler. From there, your provider can increase the dose or combine medications if your asthma isn’t well controlled.
This step-up approach is the core of modern asthma management. Your provider adjusts treatment based on how well your symptoms are controlled, which is why follow-up visits matter.
What an Inhaler Costs
Generic albuterol rescue inhalers retail around $20 before any discounts or insurance. Brand-name versions like Ventolin HFA and ProAir Respiclick cost more, though generics contain the same active ingredient. Maintenance inhalers with corticosteroids tend to be pricier, especially brand-name options.
What you actually pay depends on your insurance plan, whether prior authorization is required, the pharmacy you use, and your dosage. Discount programs and manufacturer coupons can reduce out-of-pocket costs significantly if you’re uninsured or underinsured. Asking your pharmacist to compare prices across different pharmacies is worth the effort, as prices can vary widely for the same medication.
The Over-the-Counter Option
Two inhalers are available without a prescription in the U.S.: Primatene Mist and Asthmanefrin. Both contain a form of epinephrine and are intended only for temporary relief of mild, intermittent asthma symptoms in people age 12 and older. Primatene Mist was pulled from the market in 2011 over environmental concerns with its propellant, then returned in 2018 with a reformulated version.
These OTC inhalers carry a higher risk of side effects than prescription albuterol. Reported adverse effects include chest pain, elevated blood pressure, nausea, dizziness, and trouble sleeping. The FDA has issued warnings about these risks. The recommended dose is one to two puffs, no more than eight puffs in 24 hours, with at least 4 hours between doses.
Importantly, pharmacists advise against using these products to self-treat breathing problems you haven’t had diagnosed. Shortness of breath, wheezing, and chest tightness can signal conditions other than asthma, some of which require different treatment entirely. OTC inhalers are a stopgap for people who already have an asthma diagnosis, not a substitute for medical evaluation. If you’re currently taking any prescription medication, check with a provider before using them, as epinephrine-based inhalers can interact with other drugs.
If You Need a Refill
Once you have an established diagnosis and an existing prescription, getting refills is simpler. Many providers write prescriptions with multiple refills built in. If your refills run out, a quick telehealth visit or phone call to your provider’s office is usually enough to get a new prescription sent to your pharmacy. Some pharmacies also offer emergency supplies of maintenance medications if you run out unexpectedly, though policies vary by state.
If you’re using your rescue inhaler more than twice a week, that’s a sign your asthma isn’t well controlled. Rather than just refilling, bring this up with your provider. It typically means your treatment plan needs adjustment, possibly adding or increasing a maintenance inhaler.