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:
- Widespread itching
- Difficulty breathing
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 tongue that can make breathing and swallowing difficult
- Abdominal pain
- Mental confusion or dizziness