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Anaphylaxis in Guinea Pigs

Pocket Pet · Cavia porcellus · typical adult weight 0.70–1.20 kg

2 cited drugs treat Anaphylaxis in guinea pigs: Diphenhydramine, Ephedrine.

Acute systemic IgE-mediated hypersensitivity. Adrenaline (epinephrine) is the universal first-line; antihistamines and corticosteroids play adjunct roles. Prepare for biphasic reactions over 24 hours.

The overview above describes Anaphylaxis across species; the citations below are the ExoticRx dose rules scoped to guinea pigs — a reference list, not new species-specific clinical guidance.

Diphenhydramine(Benadryl)

Antihistamine
RouteDoseFrequencyIndicationEvidenceSource
SC1–5 mg/kgprnAntihistamine; anaphylaxisModerateMeredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. / Morrisey JK, Carpenter JW. Formulary. In: Quesenberry KE, Carpenter JW, eds. Ferrets, Rabbits, and Rodents: Clinical Medicine and Surgery, 4th ed., Elsevier, St. Louis, MO; 2021:620-630. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.796 (2026-08-01, PENDING REVIEW)

Ephedrine

Respiratory
RouteDoseFrequencyIndicationEvidenceSource
PO, IV1 mg/kgprnAntihistamine; anaphylaxis / stimulantWeakLaird KL, Swindle MM, Flecknell PA. Handbook of Rodent and Rabbit Medicine, Pergamon, New York, NY; 1996. / Meredith A. BSAVA Small Animal Formulary: Part B: Exotic Pets, British Small Animal Veterinary Association, Quedgeley, Gloucester, UK; 2015. — Mined from Carpenter's Exotic Animal Formulary, 6th Ed, p.800 (2026-08-01, PENDING REVIEW)

Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice. Verify against current literature before clinical use.

Anaphylaxis in Guinea Pigs: 2 Cited Drug Options | ExoticRx