Allergic Reactions | Signs, Symptoms & Management

Presentation, Signs and Symptoms

  • Upper Airway: hoarse, stridor, edema, runny nose
  • Lower Airway: bronchospasm, mucus, wheezing, decreased breath sounds
  • Cardiovascular system: tachycardia, hypotension, dysrythmia, chest tightness GI: nausea, vomiting, cramps, diarrhea
  • Neurological system: anxiety, dizziness, syncope, weakness, headache, seizure, coma
  • Cutaneous: angioedema, uticaria, pruritus, erythema, edema, tearing of the eyes
    MOST COMMON: hives, wheezing, abdominal pain

Methods of Entry into the Body:

  • Inhalation
  • Absorption
  • Injection
  • Ingestion

Get a good history ask about recent changes in foods, drugs, detergents, cosmetics etc.

Mild Reactions:

Treatment: Benadryl 10-50 mg slow IV push or IM if vital signs are normal, no respiratory symptoms, itching rash/swelling on outside of body.


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