If you’re having an asthma attack right now, sit upright, use your rescue inhaler immediately, and stay calm. The next few minutes matter, and knowing the right steps can keep a scary episode from becoming a dangerous one.
Step 1: Sit Upright and Stay Still
Sitting up straight opens your chest and gives your lungs the most room to expand. Leaning slightly forward with your hands on your knees (sometimes called the tripod position) can help even more by taking pressure off your diaphragm. Do not lie down, as this compresses your airways and makes breathing harder. Stop any physical activity immediately.
Step 2: Use Your Rescue Inhaler With a Spacer
Take 4 puffs of your rescue inhaler (typically albuterol/salbutamol), one puff at a time, breathing in slowly after each one. If your symptoms don’t improve after 20 minutes, take another 4 puffs. You can repeat this up to three times in the first hour for a total of 4 to 10 puffs every 20 minutes.
If you have a spacer, use it. Without a spacer, only about 11% of the medication actually reaches your lungs. A spacer increases that to roughly 16% and cuts the amount of medication wasted in your mouth and throat by half. That difference is significant when you’re struggling to breathe, because coordinating a deep inhale while pressing the canister is much harder during an attack.
Some people now use a combination inhaler that contains both a quick-relief bronchodilator and a low-dose steroid (ICS-formoterol). Current global guidelines recommend this as a preferred reliever for many people with asthma. If your doctor has prescribed one for rescue use, follow their dosing instructions instead of the albuterol steps above.
Step 3: Focus on Slow, Controlled Breathing
Panic is a natural response when you can’t breathe well, but rapid, shallow breathing traps more stale air in your lungs and makes the attack worse. Pursed-lip breathing can help break this cycle. Breathe in slowly through your nose for about two seconds, then exhale through gently pursed lips (as if blowing through a straw) for four to six seconds.
This technique creates a small amount of back-pressure that travels down into your lower airways, preventing them from collapsing during exhalation. It helps push out trapped air, brings in more oxygen, and reduces the sensation of breathlessness. It won’t replace your inhaler, but it gives you something productive to focus on while the medication takes effect.
Step 4: Remove the Trigger if Possible
If you know what set off the attack, get away from it. Move indoors if cold air or pollen triggered your symptoms. Leave a smoky or dusty room. If exercise was the trigger, you’ve already stopped. If you can’t identify the trigger or can’t move away easily, don’t waste energy trying. Staying calm and letting your inhaler work is more important.
When to Call 911
Call emergency services if any of the following are true:
- Your rescue inhaler isn’t helping after the first round of puffs
- You can’t talk in full sentences, walk, or eat
- Your lips or fingernails are turning blue or gray
- You’re breathing so hard that your ribs visibly pull inward with each breath
- You feel extremely tired, confused, or drowsy
- You or someone near you is passing out
If you use a peak flow meter, a reading below 50% of your personal best puts you in the red zone, which is an emergency. For context, the green zone is 80% to 100% of your personal best, and the yellow zone (50% to 80%) means your asthma is worsening and needs attention. Anything below 50% means your airways are severely narrowed.
Don’t hesitate to call for help. It’s better to call 911 and not need it than to wait too long. Continue using your rescue inhaler every 15 to 20 minutes while waiting for help to arrive.
What to Do After the Attack Passes
Once your breathing returns to normal, the episode isn’t really over. An asthma attack is a signal that something in your management plan isn’t working well enough, whether that’s your medication, your trigger avoidance, or your inhaler technique.
Clinical guidelines recommend scheduling a follow-up visit within six weeks of an asthma exacerbation. Research from a large Swedish population study found that patients who skipped this follow-up used less maintenance medication and needed more emergency steroid courses afterward, a clear sign of poorly controlled asthma spiraling into repeat attacks. At that appointment, your doctor will likely review your inhaler technique, reassess your triggers, and consider stepping up your daily controller medication.
In the days following an attack, keep your rescue inhaler within arm’s reach at all times. Track your symptoms and peak flow readings if you have a meter. If you’re using your rescue inhaler more than twice a week for symptoms (outside of exercise), that alone suggests your asthma isn’t well controlled and your maintenance treatment needs adjusting.
Preparing for the Next Attack
Every person with asthma should have a written asthma action plan. This is a simple document, usually one page, that your doctor fills out with your specific medications, doses, and peak flow zones. It tells you exactly what to do when symptoms are mild (green zone), worsening (yellow zone), or severe (red zone). Keep a copy on your fridge, in your bag, and on your phone.
Check your rescue inhaler regularly. Shake it to feel if there’s medication left, and note the dose counter if it has one. Keep your spacer clean and replace it if the valve sticks. If you take a daily controller inhaler, use it consistently, even on days when you feel fine. Controller medications reduce the inflammation that makes attacks possible in the first place, so skipping doses on good days makes bad days more likely.