For many people, the allergy is the most important trigger of asthma symptoms and attacks. Allergy-causing substances, known as an allergen, and it triggers an allergic reaction that leads to asthma symptoms. The main allergen in different countries is the house dust mite allergen. Other important allergic triggers: feathers; animal hair or fur (dander), especially wool cats, dogs, horses; grasses and trees pollen, fungal spores.
Allergic rhinitis occurs when the allergen provokes nasal symptoms: runny nose, itching, nasal what is known as a “nose asthma” because there are many similarities between asthma and rhinitis. One type of allergic rhinitis, seasonal rhinitis – an allergy to pollen, which is also called hay fever. People with asthma usually feel deterioration when the level of pollen in the air increases. Generally people with AR and asthma more problems with asthma, so the treatment of pollen allergy can prevent worsening of asthma.
Another type of allergic asthma associated with occupational hazards. Allergic asthma, also known as atopic asthma means that your DP overly react to allergens asthma.
Asthma trigger – it is not always an allergic reaction. The following triggers: – Viral infections of the upper DP;
- Environmental Triggers: smoking, exhaust fumes;
- Emotional reactions (stress, laughter, excitement;
- Occupational hazard: flour, soldering, latex;
- Allergic triggers: animal dander, house dust mite, pollen;
- Hormones that regulate the menstrual cycle, pregnancy.

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