Questions? Contact Us Chat with us now or Call us at 1-866-761-6578

Contact Us

Please do not hesitate to contact us with questions:

Lactulose Solution, 10g/15mL Rx

Starting at $15.24$11.72
Free shipping
over $49!*
* Most orders ship within one business day after approval

Manufacturers vary.  Picture is provided only as a representation of product.


Email us at
or please call us at

Lactulose Solution for Cats and Dogs

If your dog or cat suffers from constipation, Lactulose Solution can give him relief. This prescription medication eases constipation in cats and dogs and can also be beneficial in treating liver disease.

  • Reduces constipation in cats and dogs
  • Helps prevents conditions associated with liver disease 
  • Easy to administer liquid
  • 10 grams of Lactulose per 15 mL of the solution
  • 8 ounce bottles contain approximately 236 mL total
  • 16 ounce bottles contain approximately 473 mL total

The sugar in prescription Lactulose Solution has a laxative effect that eases constipation and gastric distress in both dogs and cats. Lactulose Solution works in the large intestine, drawing water in to soften the stool and increase the volume so it’s easier to pass. Lactulose Solution is also helpful in preventing hepatic encephalopathy, a condition associated with cirrhosis of the liver. Cats with megacolon can also benefit from this medication. 

What you should know about Lactulose Solution:

  • Talk to your veterinarian before using this product. 
  • Follow dosing directions exactly - don’t give your pet more medication than directed and don’t skip doses. 
  • Read the label carefully for information about storage, possible side effects, and drug interactions.

Lactulose is sold as an FDA approved generic drug. Brand varies from order to order and variation to variation. VetRxDirect is unable to guarantee which brand will be available at the time of order shipment.