Allergic reactions are exaggerated sensitivities (hypersensitive reactions) that occur when your immune system responds abnormally to common substances such as pollen, dust and certain foods. These substances, called allergens, are harmless in a majority of people.
Common symptoms of an allergic reaction include:
sneezing and an itchy, runny or blocked nose (allergic rhinitis)
itchy, red, watering eyes (conjunctivitis)
wheezing, chest tightness, shortness of breath and a cough.
a raised, itchy, red rash (hives)
swollen lips, tongue, eyes or face.
The following treatments are commonly used to reduce the symptoms of an allergic reaction:
Antihistamines. ...
Nasal decongestants. ...
Anti-inflammatory medication. ...
Avoid the allergen. ...
Use a saline sinus rinse. ...
Treating environmental allergies. ...
Treating allergies on the skin. ...
Treating severe allergies
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