Not Safe

Not SafeVet Reviewedfruit

Not Safe for Dogs

Medium dog serving: never

Key warning: lychee seeds entirely

Can Dogs Eat Lychee Seed? No — Toxic Compounds, Remove Before Serving

This food is NOT safe for dogs. Keep it away from your pet.

Lychee seeds are toxic to dogs. They contain hypoglycin A and MCPG which cause dangerous hypoglycemia. Never let dogs chew on or swallow lychee seeds.

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Warning Signs & Symptoms

Rapid hypoglycemia, vomiting, weakness, seizures, loss of consciousness — especially dangerous in puppies and small dogs.

If Your Dog Ate This

Call vet immediately. Hypoglycemia from lychee seeds can develop rapidly — do not wait for symptoms.

What to Avoid

lychee seeds entirely

Preparation & Serving

Never allow access to lychee seeds. Dispose safely after removing from flesh. Keep lychee fruits out of dog reach.

Safer Alternatives

lychee-flesh

Did you know?

Hypoglycin A in lychee seeds is the same compound that causes mass hypoglycemia deaths among malnourished children in India's Bihar state who eat unripe lychees on empty stomachs — the compound blocks the body's ability to release glucose stores from the liver.

Portions & nutrition

Toxic dose (per kg body weight): any contact is dangerous
Serving (small dog): never
Serving (medium dog): never
Serving (large dog): never
Calories (per 100g): 0
Safe frequency: never

Source

Source: ASPCA

What You Need to Know

Lychee seeds contain the same toxic compounds responsible for Jamaican Vomiting Sickness in humans — hypoglycin A and methylenecyclopropylglycine (MCPG). These cause rapid dangerous drops in blood sugar. Always remove seeds before feeding lychee flesh and dispose of seeds safely.

Breed-Specific Notes

Puppies and small dogs at highest risk due to smaller blood sugar reserves.

Not sure what to do next? Read our emergency guide What to Do If Your Dog Eats Something Toxic

Want to know what other dangers are hiding in your home?

Take the 60-second kitchen safety assessment to find out your dog's risk score.

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If Your Dog Ate This — Act Now

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Frequently asked questions

Is Lychee Seed safe for dogs?: No, Lychee Seed is not safe for dogs. Lychee seeds are toxic to dogs. They contain hypoglycin A and MCPG which cause dangerous hypoglycemia. Never let dogs chew on or swallow lychee seeds.
What happens if a dog eats Lychee Seed?: If a dog eats Lychee Seed, they may experience: Rapid hypoglycemia, vomiting, weakness, seizures, loss of consciousness — especially dangerous in puppies and small dogs.
How much Lychee Seed can a dog eat?: Lychee seeds contain the same toxic compounds responsible for Jamaican Vomiting Sickness in humans — hypoglycin A and methylenecyclopropylglycine (MCPG). These cause rapid dangerous drops in blood sugar. Always remove seeds before feeding lychee flesh and dispose of seeds safely.

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Medical Disclaimer: This information is for educational purposes only. Always consult a licensed veterinarian before making dietary changes for your pet.