Suspect poisoning? US: ASPCA Poison Control (888) 426-4435 · UK: 01202 509 000 · Severe symptoms → nearest emergency vet now.

My 15 kg dog just ate a bowl of seafood stew that contained lobster meat, onions, and wine. Is the lobster itself the main worry?

Dogs · Food safety

Last reviewed: 2026-09-05 · Reference ranges: ASPCA, Pet Poison Helpline & Merck Veterinary Manual

Short answer

No, the plain lobster meat is the safest part of that stew. The urgent dangers are the onions and alcohol, both of which are toxic to dogs. Onions can cause anemia, and even a small amount of wine can lead to coordination problems or depression. Pick out any visible lobster shells from the bowl to see how much was actually eaten. Watch your dog for signs like vomiting, panting, or a wobbly walk in the next few hours. Offer plenty of fresh water to help dilute the toxins. Call your vet immediately to describe the stew ingredients and the approximate amount he consumed.

Why onions overshadow lobster concerns for your 15 kg dog

The stew's onions pose an immediate threat regardless of lobster content. Allium compounds damage red blood cells, with effects appearing 1-3 days later as weakness or pale gums. Your dog's size means they'd need to eat about 30g of onions for severe toxicity, but any amount warrants monitoring.

Lobster shells present a mechanical hazard if swallowed. Check your dog's mouth for cuts from sharp fragments and watch for gagging. The meat itself provides protein without significant risks unless your dog has known shellfish allergies.

Alcohol absorption happens fast in dogs

Wine's ethanol absorbs quicker in canines than humans - you might notice stumbling or disorientation within 30 minutes. A standard stew recipe could contain enough wine to affect a 15 kg dog, especially if reduced during cooking. Keep them in a quiet space and prevent access to stairs.

Don't induce vomiting as this could worsen alcohol absorption. Offer fresh water to help dilute stomach contents. The lobster's presence might actually help by slowing alcohol absorption slightly due to the protein and fats.

The next 48 hours require careful observation

Onion toxicity often shows delayed symptoms. Check gum color twice daily - pink should return within two seconds when pressed. Dark urine or rapid breathing after the first day signals red blood cell damage requiring urgent care.

For the lobster component, watch for diarrhea from rich fats or salt. A single episode isn't alarming, but persistent loose stools need veterinary assessment to prevent dehydration in your medium-sized dog.

When seafood stew becomes an emergency

Seek immediate help if your dog shows tremors, loses consciousness, or can't stand. These indicate possible alcohol poisoning exceeding home care. Bring a sample of the stew if possible - estimating onion and wine quantities helps guide treatment.

For mild cases, offer ice cubes to prevent dehydration without overloading the stomach. Stick to bland foods like boiled rice and chicken for the next two meals. Avoid all seasoned human foods during recovery to let their system reset.

The full verdict, portion guidance and serving notes are collected on the Lobster food facts page.

Open the full food page: Lobster food facts →