Anaphylaxis (Severe Allergic Reaction)

Anaphylaxis (Severe Allergic Reaction)

Anaphylaxis (Severe Allergic Reaction)

Overview

Anaphylaxis is a rapid, life-threatening allergic reaction affecting breathing, circulation, and skin.

Common triggers:

  • Bee stings
  • Vaccines (rare)
  • Food allergies
  • Medications

Symptoms

  • Facial swelling
  • Hives
  • Vomiting
  • Collapse
  • Breathing difficulty

Treatment

  • Epinephrine injection (immediate)
  • IV fluids
  • Antihistamines
  • Steroids
  • Oxygen therapy

When to See a Vet

👉 Immediately — minutes matter.


Prevention

  • Identify allergens
  • Monitor after vaccines

References

  • Merck Vet Manual
  • AVMA