Anaphylactic reaction; Anaphylactic shock; Shock - anaphylactic
Symptoms
Symptoms develop rapidly, often within seconds or minutes. They may include the following:
- Abdominal pain or cramping
- Abnormal (high-pitched) breathing sounds
-
Anxiety -
Confusion - Cough
- Diarrhea
- Difficulty breathing
-
Fainting ,light-headedness ,dizziness -
Hives , itchiness - Nasal congestion
- Nausea, vomiting
- Sensation of feeling the heart beat (
palpitations ) -
Skin redness -
Slurred speech - Wheezing
Signs and tests
Signs include:
- Abormal heart rhythm (arrhythmia)
- Fluid in the lungs (
pulmonary edema ) - Hives
- Low blood pressure
- Mental confusion
- Rapid pulse
- Skin that is blue from lack of oxygen or pale from shock
- Swelling (angioedema) in the throat that may be severe enough to block the airway
- Swelling of the eyes or face
- Weakness
- Wheezing
The health care provider will wait to test for the specific allergen that caused anaphylaxis (if the cause is not obvious) until after treatment.
Previous Section
