Asthma is a common lung condition that causes occasional breathing difficulties.
Our Health A-Z contains more information on Asthma Attack.
Anaphylaxis is a severe, potentially life-threatening allergic reaction that can develop rapidly.
Our Health A-Z contains more information on Severe allergic reaction.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.