Asthma in adults Diagnosis and testing This section provides information on the fundamentals of diagnosis and objective testing Peak flow variability calculator Use our handy calculator to work out your patient's peak flow variability. Managing asthma in adults See here for everything you need to know about treating asthma. Choosing the right inhaler device With over 125 inhaler devices available, choosing the right one for your patient can present a challenge! Asthma reviews for healthcare professionals Follow our 10 top tips for a safe and effective asthma review. Personalised asthma action plans Help develop your patient's self management skills with our step by step guide to completing action plans Uncontrolled asthma: guidance for healthcare professionals Find out how to help your patient whose asthma is flaring up and what to do in an asthma attack You must have JavaScript enabled to use this form. Did you find this information useful? Yes No Why? We use your comments to improve our information. We cannot reply to comments left on this form. If you have health concerns or need clinical advice, call our helpline on 0300 222 5800 between 9am and 5pm on a weekday or email them. Leave this field blank Page last reviewed: 4 June 2024 Next review due: 4 June 2025