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Antihistamines (Benadryl)

Danger

Antihistamines can cause serious side effects in pets. Cats are especially sensitive.

Unsafe for Dogs
Unsafe for Cats

Dogs

Emergency risk

Cats

Emergency risk

Risk level

Danger

Symptoms

Drowsiness, lethargy, vomiting, rapid heart rate, agitation

What to do now

Contact vet. Never medicate without professional guidance.

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Symptoms to Watch For

Drowsiness, lethargy, vomiting, rapid heart rate, agitation

What to Do

Contact vet. Never medicate without professional guidance.

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Tags:medicationantihistaminesedativedanger

Clinical References

  • https://www.fda.gov/animal-veterinary
  • https://www.petpoisonhelpline.com/poisons/

Quick Answers

Is Antihistamines (Benadryl) poisonous to dogs?
Antihistamines (Benadryl) is poisonous or toxic to dogs. Antihistamines can cause serious side effects in pets. Cats are especially sensitive.
Is Antihistamines (Benadryl) toxic to cats?
Antihistamines (Benadryl) is poisonous or toxic to cats. Antihistamines can cause serious side effects in pets. Cats are especially sensitive.
What symptoms can Antihistamines (Benadryl) cause in pets?
Drowsiness, lethargy, vomiting, rapid heart rate, agitation
What should I do if my pet ate Antihistamines (Benadryl)?
Contact vet. Never medicate without professional guidance.

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Disclaimer: This information is for educational purposes only and is not a substitute for professional veterinary advice. If you suspect your pet has ingested something toxic, contact your veterinarian or the ASPCA Animal Poison Control Center (888-426-4435) immediately.
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