My 60lb dog just gobbled up around 60 B12 500 mcg tablets in seconds—should I be freaking out?

I accidentally left a bottle of B12 tablets on the counter, and my 60lb dog managed to get to it and gobble down around 60 tablets in just a few seconds. I’m really panicking right now and not sure what to do. Could this amount of B12 be harmful to him, or should I bring him in immediately?

Answer

It is understandably alarming that your dog has ingested around 60 B12 tablets. However, Vitamin B12 (cobalamin) is generally non-toxic, and serious health issues are uncommon unless pre-existing conditions are present.

  • B12 is a water-soluble vitamin, which means excess is typically excreted in the urine.
  • Monitor your dog for any signs of gastrointestinal upset such as vomiting or diarrhea.
  • Excessive consumption of even less harmful substances can sometimes cause discomfort or mild symptoms, so keep a close eye.

Vitamin B12 is considered safe and is used as a supplement in both human and veterinary medicine, often without side effects. However, a sudden intake of a large quantity can occasionally cause mild gastrointestinal disturbances in dogs. It is important to observe your dog closely and ensure he remains comfortable. If at any point your dog displays symptoms of vomiting, lethargy, or any concerning changes, it would be best to consult your veterinarian. Absence of symptoms is not usually an emergency, but a professional opinion can offer peace of mind.

If this is an emergency, please seek immediate veterinary care.

Book a consultation with a licensed vet at Dial A Vet for just $49 AUD if you're unsure or symptoms are getting worse.

Frequently Asked Questions

  • What should I do if my dog starts vomiting after ingesting B12 tablets?

    If your dog starts vomiting, it's important to stay calm and monitor the number and frequency of episodes. Consult a vet if vomiting persists or if you're concerned.

  • Can a dog overdose on Vitamin B12?

    While B12 is generally safe due to its water-soluble nature, excessive amounts can sometimes lead to mild gastrointestinal issues although serious toxicity is very rare.

  • What are signs that my dog might be having a negative reaction?

    Signs might include vomiting, diarrhea, or lethargy. If these symptoms occur, consulting with a veterinarian would be advised to ensure your pet's well-being.

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