It doesn’t seem fair — not only do you have asthma but you also suffer from allergy symptoms like itchy eyes and nose, plus that itchy rash in the creases of your arms and legs. While genetics play a role in your asthma, so can allergy and infections.
For most patients, exposures to allergens (things we can be allergic to like dust mites, pollens, etc.) are to blame for causing most of these symptoms. If you want to get better, you have to treat your allergies.
Your options are: