Is Melatonin Toxic to Dogs?
Yes — melatonin is mildly toxic to dogs.
PawSafe Check is for general information only and is not veterinary advice. Always contact your veterinarian or a poison control service if you think your pet has been exposed.
Symptoms to watch for
- Sleepiness
- Vomiting
- Diarrhea
Toxic parts
Gummies, tablets
Toxic compound
Melatonin; xylitol in some products
What to do now
- Remove any plant material from your dog's mouth and keep it out of reach.
- Gently rinse the mouth and offer fresh water.
- Call your vet if symptoms persist, get worse, or your dog is small, young or elderly.
Good to know
Melatonin itself is fairly low risk, but some gummies and chewables contain xylitol. Large amounts can cause sleepiness and stomach upset.
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Frequently asked questions
Is melatonin toxic to dogs?
Yes — melatonin is mildly toxic to dogs. Melatonin itself is fairly low risk, but some gummies and chewables contain xylitol. Large amounts can cause sleepiness and stomach upset.
What are the symptoms of melatonin poisoning in dogs?
Sleepiness. Vomiting. Diarrhea.
What should I do if my dog ate melatonin?
Remove any plant material from your dog's mouth and keep it out of reach. Gently rinse the mouth and offer fresh water. Call your vet if symptoms persist, get worse, or your dog is small, young or elderly.
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