: Dropped and lost Vitamin D3: affect on dog? My wife dropped her dose of Vitamin D3, one capsule 2000iu. we can't find it, but for sure, our 3 yo Dachshund (13 lbs, give or take) will find it and eat it. Any adverse effects

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Vitamin D3 LD

You will start to see side-effects at a dose of 0.1mg/kg and above, let's do a bit of math.

Your dog weighs approximately 5.9kg

5.9kg x 0.1mg = 0.59mg

Each mg of Vitamin D3 contains 40,000IU

Your dog would need to ingest 23,600IU in order to reach a toxic level. With a lost dose of 2,000IU I would not worry.

Signs to look out for

Vomiting
Lethargy
Increased thirst
Increased urination
Seizures
Dark tarry in stools

If you have any concerns about your pet ingesting a toxin there are some helplines available as well.

ASPCA Poison Control

Pet Poison Helpline

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