Is Hops Toxic to Dogs?

☠️ ToxicSeverity: Severe

✅ Cross-checked against veterinary poison-control guidance · Oct 2026 audit

⚠️ Educational info only. If your pet just chewed something and looks unwell, skip the reading and call your vet or Pet Poison Helpline (US): (855) 764-7661.

Yes — hops are severely toxic to dogs. Even a small amount, especially spent brewing hops, can trigger malignant hyperthermia that kills within hours.

Also known as: Humulus lupulus, Hop Vine, Common Hops · Humulus lupulus

What makes it toxic

Hop resins and terpenes that trigger malignant hyperthermia in dogs — uncontrolled muscle metabolism drives body temperature to fatal levels. The mechanism is idiosyncratic, and greyhounds and other lean, muscular breeds are especially vulnerable.

Warning signs to watch for

Restlessness and panting within an hour or two, then soaring body temperature, rapid heart rate, vomiting, tremors, seizures and death if untreated.

What to do if your dog eats it

Drop-everything emergency. Any dog that has eaten hops or spent brewing grains with hops needs an ER immediately — aggressive cooling and IV treatment within the first hours are what save dogs.

Common questions

How many hops are dangerous for a dog?

There is no safe amount — poisonings have occurred after eating spent hops from a single home-brew batch. Treat any ingestion as an emergency.

Is fresh hops on the garden vine as dangerous as brewing leftovers?

Fresh cones carry the same resins, just less concentrated. Home-growers with dogs should fence the vine and dispose of any harvest securely.

My dog seems fine two hours after eating hops — are we clear?

No. Signs can come on suddenly after a quiet start, and late treatment is often too late. Go to the ER anyway.

More plants checked for dogs

Pothos☠️ ToxicYes, pothos is toxic to dogs. Chewing any part of the vine releases calcium oxalate crystals tha Aloe Vera⚠️ Mildly ToxicAloe vera is mildly to moderately toxic to dogs. The skin and latex layer of the leaf contain co Spider Plant✅ Non-ToxicNo, spider plants are non-toxic to dogs. A dog that nibbles the arching leaves is not at risk of Easter Lily⚠️ Mildly ToxicEaster lilies are only mildly toxic to dogs — they usually cause stomach upset, not the fatal ki Sago Palm☠️ ToxicYes — sago palm is severely toxic to dogs, with a documented fatality rate around 50% when untre Boston Fern✅ Non-ToxicNo, Boston ferns are non-toxic to dogs. Chewing a frond will not poison your dog.

This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate something concerning, contact your veterinarian or a pet poison hotline right away. Checking what your pet can eat? Visit our sister site SafeOrToxic.