Although peanut allergies are notorious for their severity, peanut allergies are not the most common food allergy in adults or children. Severe or life-threatening reactions may be triggered by other allergens and are more common when combined with asthma. In this article, we will explore the “What is an allergy?”, what are the most common allergies , their symptoms, and various treatment options available. Seasonal allergies , also known as hay fever or allergic rhinitis, are triggered by outdoor allergens such as pollen, grass, or mould spores. Some of the more common allergy types involve food, pets, dust, and pollen, but the list goes on. Learn which trigger more severe allergy symptoms