Common allergy symptoms in children appear in different body systems and can include the following: ### Respiratory symptoms of allergy in children - Sneezing - Runny or stuffy nose (allergic rhinitis) - Nasal congestion - Itchy nose or throat - Coughing - Wheezing - Difficulty breathing, which is more common in patients with asthma.... ### skin symptoms - Itching, redness or inflammation of the skin - Rashes or hives - Dry skin - Peeling of the skin (eczema or atopic dermatitis) Swelling of the skin, especially around the eyes, lips and face ### Gastrointestinal symptoms - Nausea - Vomiting - Diarrhea - Abdominal pain or cramps ### Eye symptoms - Watery and itchy eyes - Redness or swelling of the eye - Sensitivity to light ### Oral symptoms - Itching or tingling sensation in the mouth or throat - Swelling of the lips, tongue or throat - Redness or irritation of the mouth or lips ### Systemic symptoms - Fatigue and lethargy - Irritability - Sleep disorders - General boredom - Anaphylaxis How is allergy diagnosed in children? The doctor uses one or more of the following techniques to diagnose allergies in children: ### Review of medical history and physical examination The allergist doctor begins the diagnosis process by examining the symptoms, their severity and the child's medical history.... In this step, the goal is to identify possible allergens.... ### Allergy test Regarding the identification of suspected allergens, the immunology doctor recommends an allergy test based on the child's age and medical history. There are different types of these types of tests, which can include the following: #### Skin test In this test, a small amount of allergen is placed on the skin, which is usually on the forearm or the back of the hand... the doctor scratches the skin so that the allergen enters it... in response to allergens, the body's immune system produces IgE antibodies in the blood... according to the results of this test, the doctor can identify the allergens that cause the symptoms... a blood sample is usually taken from a vein in the arm... #### patch test This test is often used to diagnose contact dermatitis... during which the doctor applies a small amount of the allergen to the skin spots and leaves it on the skin for a while to see if a reaction occurs.. #### Oral challenge test If the doctor suspects a food allergy in a child, he performs this test under controlled conditions.... In this test, the child eats a portion of the suspected food to determine whether the food in question causes an allergic reaction or not.... **Footnote:** This general information is a limited summary of diagnostic, therapeutic and/or drug information. It is not intended to be comprehensive and should be used as a tool to help the user understand and/or evaluate potential diagnostic and treatment options. This information does not contain all information about conditions, treatments, drugs, side effects or risks that may apply to a particular patient.. Risks or benefits of drugs. does not.... I, Dr. Mehdi Afshari, disclaim any guarantee or responsibility related to this information or its use.... > * Among the medical services provided in the office are periodical examinations of children, periodical monitoring of children's growth and physical development, treatment of various infectious, digestive and respiratory diseases in children and adolescents, nutritional counseling, education and periodical care of premature babies, monitoring and treatment of all periodical problems during infancy, periodical mental and physical evaluation of children. > *special services of Dr. Mehdi Afshari: specialized office circumcision, home visit and online consultation* > > *Practice address: No. 193, South Mehrabad, Southern Air University, Tafarsh East, Tehran > > *Contact number: 021-66602506*