- allergic rhinitis (also called hay fever)
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an inflammation of the mucous membrane that lines the nose, often due to allergy to pollen, dust, or other airborne substances. Rhinitis causes sneezing, itching, a runny nose, and nasal congestion.
See also Allergic rhinitis; Ear, nose and throat (Otolaryngology)
- anaphylaxis (also called anaphylactic shock)
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a sudden, severe, potentially life-threatening allergic reaction caused by food allergies, insect stings, or medications. Symptoms may include hives, swelling (especially of the lips and face), difficulty breathing (either because of swelling in the throat or an asthmatic reaction), vomiting, diarrhea, cramping, and a drop in blood pressure.
See also Critical care (Pediatric Intensive Care Unit); Emergency medicine; Violent and unintentional injuries, food allergy and anaphylaxis; Bryan's bout with food allergies
- angioedema
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a skin condition that causes larger areas of swelling than occurs in hives
- asthma
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a chronic, inflammatory lung disease characterized by recurrent breathing problems usually triggered by allergens
See also Critical care (Pediatric Intensive Care Unit); Pulmonary medicine; Signs and symptoms of asthma; Treatment for asthma; Understanding childhood asthma; Warning signs that asthma is not under control
- drug allergies
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abnormal reactions to a medicine that is triggered by the immune system
- food allergies
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an abnormal reaction to food that is triggered by the immune system
See also Food allergy; New research study seeks hope
for children with food allergies; Violent and unintentional injuries, food allergy and anaphylaxis; Bryan's bout with food allergies
- hay fever (also called allergic rhinitis)
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an inflammation of the mucous membrane that lines the nose, often due to allergy to pollen, dust, or other airborne substances. Rhinitis causes sneezing, itching, a runny nose, and nasal congestion.
- hives (also called urticaria)
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a condition in which red, itchy, and swollen areas appear on the skin usually as an allergic reaction from eating certain foods or taking certain medications
- sinusitis
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an infection that seems like a cold but lasts much longer