- Alcohol + hops, both toxic
- 15–60 min
- Affects: Brain; hops cause overheating
Why this verdict for cats
Cats are tiny and extremely sensitive to alcohol. A few laps of beer can be enough to cause poisoning — keep it well out of reach.
Warning signs to watch for
- Disorientation
- Drooling
- Collapse
⚠ If your cat drank beer
Act immediately — don't wait for symptoms.
- Call your vet or a pet poison helpline right away.
- Note how much was eaten and when.
- Do not induce vomiting unless a professional tells you to.
Beer is the drink pets are most likely to reach, and it is the one people most often assume is harmless because the alcohol content is low. In dogs it carries two separate hazards, and the second one — hops — is the one almost nobody knows about.
How much is safe?
None. The ethanol alone is a problem for a small dog at surprisingly modest volumes. But the bigger risk sits with hops (Humulus lupulus), which can trigger malignant hyperthermia in dogs: body temperature climbing far above normal, sometimes past 108°F. Home brewing is the worst-case scenario, because spent hops discarded after brewing are highly concentrated and smell interesting to a dog. Greyhounds, and northern breeds like Huskies and Malamutes, appear especially susceptible.
What happens if a cat drinks too much?
Alcohol effects come first — wobbliness, vomiting, disorientation, dropping body temperature. Hops toxicity looks different and more alarming: panting, restlessness, a racing heart and a rapidly rising temperature, sometimes within an hour. Untreated hyperthermia damages organs and can be fatal, so a dog that feels hot and is panting hard after getting into beer or brewing waste needs to be seen immediately.
⚠ What to do if your cat drank beer
Call and go in (ASPCA 888-426-4435 · Pet Poison Helpline 855-764-7661), and say specifically whether hops or spent brewing grain was involved — it changes the urgency completely. If your dog feels hot, is panting heavily and is restless, treat it as a same-hour emergency. Do not try to cool a dog with ice water; get to a vet who can cool them safely and monitor temperature.
⚠️ Worried your pet got into this?
Frequently asked questions
Is non-alcoholic beer safe then?
Better on the alcohol front, but it still contains hops and is still not something to share. There is no upside for the dog.
I home-brew — what should I do with the used hops?
Dispose of them in a sealed bin your dog cannot open, and never on a compost heap they can reach. Spent hops poisonings are well documented and often severe.
More drinks for cats
By the CanMyPet Editorial Team · Reviewed against ASPCA Animal Poison Control, the American Kennel Club (AKC) and Pet Poison Helpline · Last updated July 31, 2026.
Sources
- ASPCA — People Foods to Avoid Feeding Your Pets
- American Kennel Club — Dog Nutrition
- Pet Poison Helpline — Poison List