![A gloved hand holding a Ventolin asthma inhaler.](/files/Article/imglist/5c2ae0409e3652be18237328b98300f6.png)
By Dr Deepak Rao
06.11.23
Pulmonology & respiratory medicine
Asthma is a long-term respiratory condition that causes breathing difficulties, such as wheezing and breathlessness, which can range from mild to very severe. Here to provide a comprehensive insight into asthma, including symptoms, diagnosis and treatment, is Dr Deepak Rao, renowned consultant respiratory physician based in London.