Lactulose for dogs

Sold as generic syrup. Published reference range, cited. Enter your dog's weight below.

Reference tool, not medical advice. Always confirm with your veterinarian.
Your dog's weight

Published dose range

Published guidance for dogs: VET-DIRECTED: commonly 0.5-1 mL/kg, every 8-12h.

Source: Merck Veterinary Manual →
Dose is titrated to stool quality by the vet. Reference card only.

Skip it or ask a vet first if

self-directed use

If you think you overdosed

Call the Pet Poison Helpline: 855-764-7661 or ASPCA Poison Control: 888-426-4435. Both are staffed 24/7 by veterinary toxicologists.

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