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How to treat anaphylaxis or anaphylaxis shock in the dog or cat | VETgirl Veterinary Continuing Education Blog

In today's VETgirl online veterinary continuing education blog, Dr. Garret Pachtinger, DACVECC discusses treatment of anaphylaxis or anaphylaxis shock in the dog or cat. Anaphylaxis / Anaphylactic Shock may result from a variety of triggers including envenomation, vaccination, or medication administration. The following is a list of medications and treatment options to consider for a small animal patient in anaphylactic shock. Please note, the route of administration as well as dosing may change based on the patient characteristics and underlying etiology. This is meant to be a guide, but not a complete list of medications or specific dosing instructions for a given patient.

Medication

Dose / Information

Epinephrine

0.01 mg/kg IM or IV

Diphenhydramine

2.2mg/kg IM

Dexamethasone Sodium Phosphate (DexSP)

0.1 mg/kg IM or IV

Intravenous fluids

Isotonic Crystalloid (e.g. 0.9% NaCl, Lactated Ringer's,
or Normosol-R) 10-30 ml/kg over 15-30 minutes

Dopamine (Vasopressor)

5Ð10 µg/kg per minute IV CRI

Terbutaline (bronchodilator)

0.01 mg/kg IM or IV (As the lungs are the shock organ in
cats, this is more commonly considered in cats.)

*IV = Intravenous
*IM – Intramuscular

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