What to Do When Your Reliever Inhaler Is Not Working

You feel the tightness creeping back, reach for your reliever inhaler, take a puff and wait for that familiar easing — but nothing happens. That moment of rising panic is one of the most frightening experiences for anyone living with asthma. The good news is that there is a clear, well-tested sequence of steps to follow, and knowing them in advance is what keeps a wobble from becoming an emergency.

What a Working Reliever Should Feel Like

Your reliever inhaler — usually the blue one — contains a fast-acting bronchodilator that relaxes the muscles wrapped around your airways. Used properly, it should start to ease symptoms within a few minutes and keep working for around four hours.

So "not working" can mean several different things, and it is worth naming them clearly:

• Your breathing is no better five to ten minutes after taking your usual dose.
• The relief wears off in under four hours, so you are reaching for it again sooner than you should.
• You are needing it more than three times a week for daytime symptoms, or waking at night because of asthma.
• Each puff brings less benefit than the last one.
• You feel worse, not better, after using it.

Any of these means your asthma is not controlled and needs attention — often the same day.

First, Check the Obvious Things

Before you assume the worst, rule out the practical faults. Roughly four in ten people use their inhaler incorrectly, and that alone can mimic a failing medicine.

• Is there anything left in the canister? Shake it — if it sounds hollow or the dose counter reads zero, it is empty.
• Has it expired? Check the date stamped on the canister.
• Was the canister inserted properly and primed if it is new?
• Are you using a spacer? A spacer makes a huge difference to how much medicine reaches your lungs, especially when you are breathless.
• Is your technique sound? Shake, breathe out fully, seal your lips, press and breathe in slowly and deeply, then hold your breath for up to ten seconds.

If any of these are the problem, correct them and try again. If the inhaler is genuinely empty, use a spare if you have one and order a repeat prescription straight away.

Follow Your Written Asthma Action Plan

Everyone with asthma in the UK should have a personalised action plan agreed with their GP or asthma nurse. If your reliever is not holding you, the plan is your script — follow it rather than improvising.

Most plans use a traffic-light system. In the amber zone, where symptoms are worsening or reliever use is increasing, the typical advice is to take your reliever as directed, start or increase your preventer inhaler as instructed, and contact your GP, asthma nurse or NHS 111 for advice. Some plans include a course of steroid tablets to be started on advice. Never start those on your own initiative — they need to be prescribed for you.

If you do not have a written plan, ask for one at your next review. It is one of the single most effective things you can do to stay safe.

Warning Signs That Mean Call 999

Some symptoms mean an asthma attack is underway and you need emergency help immediately. Dial 999 and say clearly that you are having an asthma attack.

• Your reliever is not lasting four hours, or is having little or no effect at all.
• You are too breathless to speak in full sentences, eat or sleep.
• Your breathing is getting faster and you feel you cannot get enough air.
• Your chest feels tight and painful, or your neck and ribs are being pulled in as you breathe.
• The wheeze has gone quiet — this can mean very little air is moving, which is more serious, not less.
• Your lips, tongue or fingertips look blue or grey.
• You feel frightened, agitated, exhausted or drowsy.
• Your peak flow is below half of your best ever reading.

Do not wait to see whether things improve on their own, and do not ask someone to drive you. An ambulance crew can start treatment on the way.

While You Wait for Help

• Keep using your reliever. Take one puff every 30 to 60 seconds, up to ten puffs, using a spacer if you have one. Repeat every few minutes if needed until help arrives.
• Sit upright. Do not lie down. Rest your hands on your knees or a table to support your breathing.
• Stay calm and slow your breathing as much as you can — try to breathe in through your nose and out through pursed lips.
• Unlock the door if you can, so the crew can get in, and keep your phone with you.
• Keep your inhaler and spacer in your hand, and have a list of your medicines ready if someone can fetch it.

Afterwards: Review, Adjust, Prepare

Once you are safe, book a review with your GP or asthma nurse — ideally within 48 hours of an attack, as NHS guidance recommends. This is not a box-ticking exercise. It is when your preventer inhaler, technique, trigger management and action plan get properly reassessed, and it is the step that most reduces your risk of another attack.

In the longer term, a few habits keep your reliever working when you need it:

• Take your preventer inhaler every day, even when you feel perfectly well.
• Attend your annual asthma review and ask for your inhaler technique to be checked each time.
• Order repeat prescriptions before you run out, and keep a spare reliever at home and one at work or in your bag.
• Record your peak flow so you know your personal best and can spot a drop early.
• Have your flu vaccination each autumn and know your triggers.

An inhaler that has stopped working is your body telling you something important. Listen to it, follow your plan, and ask for help early. Asthma is manageable — but it needs to be managed, not waited out.