Many furry animals, including pets, can cause allergic reactions. The human body can react to allergens (proteins) found in the fat, saliva and urine of animals, in addition to the hairs on the hair. These are tiny particles in the air that mix with other dusts. This can cause allergic reactions when air is inhaled. Dust emitted from horse, dog and cat contains 10-20 kinds of substances that can cause allergies.Animal allergy can be suspected if symptoms such as the following appear after direct or natural contact with animals or animal products (leather, hide, wool, etc.):Nose: Sneezing, sneezing, rhinitis (swelling of the nasal membranes, nasal congestion, and difficulty breathing) Eyes: Itching, redness, watering, swelling (conjunctivitis) Respiratory System: Cough, phlegm breathing (bronchitis), acute respiratory distress, asthmaSkin : Itching and irritation (eczema, urticaria, neurodermatitis) Digestive System (Rarely): Gas, nausea, diarrhea, vomiting, abdominal pain.To diagnose animal allergy, it will be necessary to go through stages such as skin, blood and provocation tests for the nose and/or bronchial mucous membranes.Conditions that trigger animal allergies; may occur by direct contact with animals or by contact with substances containing allergens (clothes, flooring, mats, pillows, materials, carpets, etc.) and indirectly by breathing in dust containing allergens.In principle, you can have an allergic reaction to any furry or furry animal if you are sensitive to allergens. Allergic reactions can be in the form of mild itching, or they can be severe (asthma) depending on the sensitivity and aggressiveness of the allergens. The type of animal, the frequency of contact with the animal and proximity to the animal (such as pets) will play a decisive role. Generally, animals such as cats, dogs, birds, horses, cattle are more allergen-aggressive animals compared to other animals. It can sometimes take months for a serious allergy to appear.