How quickly does inhaler therapy relieve cough?

Cough can come from bronchial narrowing, airway irritation, infection, reflux or post-nasal drainage. An inhaler helps only when its medicine matches the underlying problem. A reliever opens tightened airway muscles, so a change may be noticed soon after an effective dose. A preventer works by calming inflammation gradually and does not provide immediate rescue during sudden symptoms. Persistent cough despite correct inhaler use deserves assessment rather than repeated extra doses.

Use the inhaler exactly as prescribed and check your technique with a clinician or pharmacist. Sit upright during symptoms, follow your personalised action plan, and use a spacer if one has been recommended. Track when the cough appears, such as at night, with exercise or around dust, and record how often you need a reliever. Do not borrow another person's inhaler or increase treatment without advice.

Seek urgent help for severe breathing difficulty, blue or grey lips, confusion, fainting, chest pain, or a cough with significant blood. Arrange prompt medical review if the cough is worsening, keeps returning, disturbs sleep, or does not improve with the prescribed plan. A clinician can check for infection, asthma, allergies and other causes.

Ask which inhaler is for quick relief and which is for prevention, how long improvement should take for your pattern of cough, and whether your technique or spacer needs checking.