Allergen avoidance is a strategy used to prevent allergic reactions by steering clear of substances that trigger allergies. Common allergens include pollen, dust mites, pet dander, and certain foods like peanuts and shellfish. Identifying specific allergens through testing can help individuals understand what to avoid in their daily lives. To effectively practice allergen avoidance, individuals can implement various measures. This may include reading food labels carefully, using air purifiers to reduce airborne allergens, and maintaining a clean living environment. By taking these steps, people can minimize their exposure to allergens and improve their overall well-being.