Lactulose Solution

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Lactulose Solution Wholesale

– Safe stool softener for both dogs and cats
– Can be used to treat cats with megacolon
– Can be used to treat portal-systemic encephalopathy
  • 16 fl. oz. - Unflavored
  • 16 fl. oz. - Orange Flavor


Constipation is a painful problem for your pet. Talk to your vet about Lactulose, a prescription laxative used to treat constipation in dogs and cats. It works quickly to relieve the pain and frustration associated with constipation. Lactulose can also be used to treat and prevent a liver disease called portal-systemic encephalopathy.

Laactulose Solution is the Generic Alternative to Generlac.

Side Effects & Warnings

Lactulose: 10g
Lactose: Less than 1.6g
Other sugars: Less than 1.2g

Lactulose, a disaccharide sugar containing galactose and fructose, is used for the treatment of hepatic encephalopathy in veterinary medicine. It is also used as a laxative for the treatment of bowel diseases like megacolon, triggered from chronic constipation. The active ingredient, lactulose, works by reducing the ammonia build up in the blood. The large number of resident bacteria in the intestine consumes the unabsorbed lactose as their food and release lactic, acetic, and formic acid and carbon dioxide gas. These acids draw fluid into the colon, softening the stool. The acidification of the bowel contents draws ammonia from the bloodstream and locks it there to be emitted with the stool. This action aids the prevention of a form of dementia called hepatic encephalopathy.

Side Effects & Warnings

Side effects of Lactulose include flatulence, bloated stomach, and cramping.

Drooling is observed as a lactulose side effect in cats.

Lactulose may alter the insulin requirement in diabetic animals.

Use Lactulose with caution in animals with fluid or electrolyte imbalance.

Contact your veterinarian if your pet is producing less than 2-3 soft stools per day or if the condition worsens.

Diarrhea and dehydration are symptoms of overdose.

Symptoms of an allergic reaction may include: facial swelling, vomiting, diarrhea, cold limbs, shock, seizures, pale gums, hives, scratching, or coma.

Contact your veterinarian if your pet is exhibiting any of these symptoms.

Tell your veterinarian if your pet is taking any other medications or supplements. Do not use this product with other laxatives. Oral antacids may reduce the effectiveness of Lactulose.


Extreme caution is required when the medication is used in pets with fluid or electrolyte imbalance and in diabetic animals. Do not use the medication with other laxatives. It is advised not to use the drug in animals with hypersensitivity and allergy to the active ingredient. Oral antacids could hinder the effectiveness of lactulose. Giving plenty of water during the treatment prevents side effects like dehydration and diarrhea. Lactulose may interact with other drugs; it is advised to inform the veterinarian or pharmacist about the medications the pet is taking. The medication should be stored at room temperature, away from light.

This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian. Always seek the advice of your veterinarian or other qualified professional with any questions you may have regarding a medical condition. Never disregard or delay seeking professional advice due to what you may have read on our website. Our medications are FDA approved and/or EPA regulated when and as required by law.


Lactulose comes in liquid form and is administered orally.

The duration of administration and dosage depends on the type of condition treated. For the treatment of hepatic encephalopathy in dogs, the recommended dosage is 15 to 30 ml/dog four times a day and for cats the dosage is 0.25 to 1 ml/cat. The frequency of the dosage is calculated based on the frequency of stool production. For treatment of constipation, the recommended dosage is 1 ml/4.5 kg (1 ml/10 lbs) thrice a day.

Be sure to follow the dosage instructions provided by your veterinarian.

Many cats do not like the taste of Lactulose, and you should contact your veterinarian if you have difficulty administering the medication.

Care Instructions

Store at room temperature, away from heat and moisture.

Manufacturer Information

Option UPC/SKU
16 fl. oz. – Unflavored 304721360161

Additional information


16 fl. oz. – Unflavored, 16 fl. oz. – Orange Flavor



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