Allergy symptoms include itchy eyes and skin, sneezing, nasal congestion, wheezing, and rash. Seasonal allergies result from grass, weed, tree pollen, or molds. Cat and dog dander allergies are common. Food allergies include peanut or milk.
Allergy symptoms can be categorized as mild, moderate, or severe.
Mild Allergy Symptoms
Mild allergy symptoms can include:
Mild allergic reactions do not spread to other parts of the body.
Moderate Allergy Symptoms
Moderate allergic reactions can include symptoms that spread to other parts of the body, including:
Severe Allergy Symptoms (Anaphylaxis)
Anaphylaxis is a rare, life-threatening emergency in which the response to the allergen is sudden and affects the whole body. Allergy symptoms may within minutes progress to more serious symptoms, including:
- Itching of eyes or face
- Varying degrees of swelling of the mouth, throat, and tonguethat can make breathing and swallowing difficult
- Abdominal pain
- Mental confusion or dizziness.