The global cat allergy in humans market size was valued USD x billion in 2021 and expected to reach USD x billion by 2028, at a CAGR of x% during the forecast period 2022-2028. The is a popular pet and a common element of allergens. Cat allergens, also known as glycoproteins, are found in saliva and cause allergic reactions in humans. Fel d 1 (released by the sebaceous gland) and Fel d 4 (secreted by the salivary gland) are the most prevalent allergens (glycoproteins) secreted by s (secreted from saliva). Watering eyes, sneezing, chapped lips, wheezing, chest constriction, nasal congestion, and itching are the most typical symptoms of a allergy. People with chronic respiratory illness (asthma, COPD, CFTR) are at a higher risk of developing allergy, according to the National Institute of Health.