Is Glaucoma Eye Drops (Latanoprost) Safe for Dogs?
Why it’s a problem
Latanoprost is a prostaglandin analog, and dogs that lick a dropped dose or a dropper tip have been reported to vomit and act lethargic. A single drop contains a tiny drug amount, so systemic effects are usually limited, but chewing the bottle means a much larger exposure. Vets do use prostaglandin drops for certain canine eye conditions, but only under direction.
How to keep your pet safe
Recap the dropper right away and store the bottle in a closed cabinet or the refrigerator. Clean up drips on counters and wash hands before petting your dog. Keep dropper bottles away from table edges where muzzles wander.
Warning signs to watch for
Drooling, vomiting, diarrhea, lethargy; occasionally trembling with larger exposures.
When to call the vet
Call your vet or a pet poison hotline if your dog licks a drop or chews a bottle, describing the amount involved. Single-drop licks are usually monitored at home, but only a professional should make that judgment. Never use your glaucoma drops in a dog’s eyes without a prescription.
Common questions
My dog licked latanoprost off the dropper — is that a problem?
It may cause drooling or vomiting, though a single drop is a small dose. Call your vet or a pet poison hotline with the details so they can guide monitoring.
Can latanoprost be used on dogs with glaucoma?
Veterinary ophthalmologists do prescribe prostaglandin drops for some dogs, but only with a diagnosis and dosing plan. Human bottles and self-treatment are not safe substitutes.
More medications hazards for dogs
This page is general educational information, not a substitute for professional veterinary advice. Every pet is different — if your animal ate or touched something concerning, contact your veterinarian or a pet poison hotline right away. In the US: Pet Poison Helpline (855) 764-7661, ASPCA Animal Poison Control (888) 426-4435 (fees may apply).