Kristalose (powder lactulose) Rx
20 Gram Packet
Starting At
$14.49
per packet
Kristalose (powder lactulose) Rx
$14.49
per packet
In Stock
Free shipping when you buy 5 or with a $59 order
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$13.77
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Usually ships the same weekday before 3pm CT with veterinary approval.
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Requires veterinary authorization.
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Your pet's veterinarian will provide directions for use.
What is Kristalose for Cats and Dogs?
- Kristalose is a powdered form of Lactulose. Lactulose is a prescription medication that eases constipation in cats and dogs and can also be beneficial in treating liver disease.
- The sugar Lactulose has a laxative effect that eases constipation and gastric distress in both dogs and cats.
- Kristalose works in the large intestine, drawing water in to soften the stool and increase the volume so it’s easier to pass.
Why do cats and dogs use Kristalose?
- Lactulose reduces constipation and softens stool.
- Kristalose is also helpful in preventing hepatic encephalopathy, a condition associated with cirrhosis of the liver.
- Cats with megacolon can also benefit from Kristalose.
What else should I know about Kristalose?
- Reduces constipation in cats and dogs.
- Helps prevents conditions associated with liver disease.
- Can be used long term.
- Palatable powder formula.
- Powdered Kristalose is not as heavy or bulky to store as Lactulose Solution.
- Can be mixed with food or prepared with water.
- One teaspoon of Kristalose is approximately 5 mL of liquid Lactulose Solution.
- One teaspoon is approximately 3.8 grams of powdered Kristalose.
- Looking for Lactulose Solution?
What problems could my dog or cat have with Kristalose?
- Kristalose causes few side effects.
- Contact your veterinarian if your dog or cat develops diarrhea.
- If Kristalose is being used in the treatment of liver disease, contact your veterinarian if symptoms worsen or if fewer than 2 to 3 soft stools are produced per day.
How do you use Kristalose?
- Give Kristalose by mouth as directed by your veterinarian.
- Kristalose can be mixed with water or food.
What is in Kristalose?
- The drug in Kristalose is Lactulose.
- Lactulose is an ammonia reducer and a laxative.
- It is a synthetic sugar that is broken down in the large intestine, drawing water into the colon to soften stools.
Will I get what I see in the picture?
- Kristalose is a brand name. You will receive the exact brand that you request.
Is it important for my dog or cat to finish all of the Kristalose?
- Dogs and cats may use Kristalose for different lengths of time. Please consult your veterinarian if you have any questions.
Review Summary
45 total reviews
Rated 4.69 out of 5 stars
100% of respondents would recommend this to a friend
Ratings Distribution
39 5 star reviews
2 4 star reviews
2 3 star reviews
0 2 star reviews
2 1 star reviews
Most Liked Positive Review
Great results!
I have a 16 year old cat whose had many bouts with a combination of constipation and diarrhea and has gone all over my apt many times. This product has proven to be VERY effective for preventing this issue! I'm very grateful and the price is less than at my vet. Thank you!
Most Liked Negative Review
Difficult to rate
My cat was prescribed liquid lactulose which he fought from the outset and he began to run from me when he detected that a dose was coming so I decided to try the Kristalose powder which was reportedly tasteless and would not be detected when sprinkled in food. At first it seemed to work as expected, but after a few days he began to shun food to which it had been added. Then I tried dissolving it in milk and again for a few days he lapped it up but eventually stopped drinking milk to which it had been added. I do not blame the product--I have read many reviews which indicate that some cats will consume it in their food without objection which I would consider a blessing but I believe it depends on the cat (or other pets). Therefore I cannot rate the product effectively.
Reviews
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Great product and safe to use.
From undisclosedComments about Kristalose (powder lactulose)I have two cats that use this product to soften the stool. One cat has a malformed colon and it works great for him. The other cat is elderly and just needs a little assistance. The Kristalose keeps her very regular and reduces the straining. -
Feline Constipation Relief
From undisclosedComments about Kristalose (powder lactulose)Gets the job done...cat does not mind flavor when mixed with food. -
Excellent product
From Colorado SpringsComments about Kristalose (powder lactulose)My 17 year old kitty has severe constipation, this product mixed with Miralax and some Slippery Elm mixed in her food helps keep her regular. -
Feline constipation relief.
From WIComments about Kristalose (powder lactulose)Keeps things moving. Nothing worse than a traffic jam downtown. -
I would buy this product again and again!
From Seattle, WashingtonComments about Kristalose (powder lactulose)I have a senior kitty who gets constipated very easily. His Vet recommended Kristalose as a solution. Works like a charm! -
Good product.
From MichiganComments about Kristalose (powder lactulose)My cat does NOT like liquid form, Lactulose. Drools it out every time. Funny, but not pretty!-
![Good product.]()
Carl - 13 years young.
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Keeps our cat healthy
From MassachusettsComments about Kristalose (powder lactulose)Our Vet prescribed this for our cat. Purchase was much costlier that VetRX Direct offers online. -
Easy peasy
From MassachusettsComments about Kristalose (powder lactulose)Ordering was extremely easy. Delivery was timely. Customer service was quick and attentive. Easy peasy. -
Difficult to rate
From South Carolina, USAComments about Kristalose (powder lactulose)My cat was prescribed liquid lactulose which he fought from the outset and he began to run from me when he detected that a dose was coming so I decided to try the Kristalose powder which was reportedly tasteless and would not be detected when sprinkled in food. At first it seemed to work as expected, but after a few days he began to shun food to which it had been added. Then I tried dissolving it in milk and again for a few days he lapped it up but eventually stopped drinking milk to which it had been added. I do not blame the product--I have read many reviews which indicate that some cats will consume it in their food without objection which I would consider a blessing but I believe it depends on the cat (or other pets). Therefore I cannot rate the product effectively. -
Easy to use laxative - just mix in food!
From Santa Cruz, CAComments about Kristalose (powder lactulose)Anyone who has tried to give Kitty medicine knows you do NOT want to go down that road if it's something you have to do every single day. You will quickly become Enemy Number 1, ruining your relationship with your cat. This powdered form of the laxative solves that beautifully. It is tasteless and mixes into wet food effortlessly. And because it is in powdered crystal form it's easy to adjust the dosage. I hope they never stop carrying this product!!!
Displaying Reviews 21 - 30
Q & A
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My cat gets 2 ml of liquid Lactulose. How much tsp wise would I give in powder for to be equivalent to 2 ml if the liquid??
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Kristalose is a powdered form of Lactulose. Lactulose is a prescription medication that eases constipation in cats and dogs and can also be beneficial in treating liver disease. Liquid lactulose can come in various concentrations but the stock concentration is 10g/15mL. Per the manufacturer, one teaspoon of kristalose is approximately 4.2 grams of powdered lactulose. This would mean that 2 mL of the Lactulose Solution would be approximately 0.32 tsp, or 1.33 grams, of the powdered Kristalose. Please consult your veterinarian regarding any further questions or concerns regarding this medication in your dog.
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how many teaspoons per packet?
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One average teaspoon is 3.8 grams approximately, so a 20 gram packet would have about 5 teaspoons.
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Hi, does lactulose (for cat) increase blood sugars? Im reading some say yes, some no. Same question for Kristalose powder? Thank you kindly.?
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According to Plumb’s Veterinary Drug Handbook, Lactulose syrup contains some free lactose and galactose and may alter the insulin requirements in diabetic patients. According to the manufacturer's product label, Kristalose is contraindicated in patients who require a low galactose diet as it contains galactose (less than 0.3 g/10 g as a total sum with lactose). Please consult with your veterinarian with any further questions or concerns regarding the use of this medication for your pet.
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20-gram Kristalose packets are "out of stock." When will they be back in stock??
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Can a 10g sachet of Kristalose be mixed into a saturated solution with less than 15ml of water? I ask because I need to concentrate an oral solution of lactulose for a 3-month old foster kitten who has been diagnosed with neurogenic bowel and wish to minimise the dosing volume for compliance. Thank you.?
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Kristalose may be mixed with a liquid, however there is no current information regarding the solubility of Kristalose when placed in less than 15 ml of water. Kristalose powder may also be mixed with wet food or gravy to mask the taste of lactulose and help increase compliance in cats. Please consult your veterinarian regarding any further questions or concerns regarding this medication.
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Does this product contain any food dyes??
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According to the manufacturer's package insert, there are no dyes used when producing this product.
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My cat is currently getting 3 milliliters of (liquid) lactulose 3 times a day. If I switch to Kristalose, how much should he get each time I give it to him (3 times a day)? Thank you.?
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The strength of the liquid Lactulose Solution is 10g/15 mL and a 10 g packet of Kristalose also contains 10 grams of lactulose. Your pet receives 3 milliliters or 2 grams of lactulose per dose (6 grams total per day). Kristalose is generally dosed in terms of the packet. They are available in 10g and 20g packets. Your veterinarian may recommend a fraction of the packet, instead of the whole packet. Please refer to your veterinarian on how they would like you to give the medication to your pet.
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Hello! Is there a difference in the formula of the Kristalose in the 10 gram packet and the 20 gram packet? I do not understand the pricing, unless the 10 gram package is more concentrated and requires less quantity/dose. Could you please explain the difference??
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There is no difference in the formulation of Kristalose between the 10gm packet and the 20gm packet. The pricing is a reflection of the acquisition cost to VetRxDirect. Even though the 20gm packet is only slightly more expensive than the 10gm packet, the manufacturer does not have any information on the best way to store the packet after opening and is therefore not recommended. Unopened Kristalose packets should be stored at room temperature. Please contact your veterinarian for further information. Thank you, VetRxDirect
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When dosing my cat with this product, I will only be using a portion of the packet. Once opened, is the product still good to use again because I notice it is considered a single dose (for people). What would be the best method of storing it once opened??
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Kristalose (lactulose) is a medication used to treat constipation and hepatic encephalopathy. .Kristalose has two packet sizes available--20 gram and 10 gram. The dose of Kristalose is based on the indication, body weight, and the stool quality desired. Administering accurate and appropriate dose will help you get the best treatment results. Kristalose should be stored at room temperature; do not freeze and protect from light. Inappropriate storage may affect the efficacy and safety of the medication. Please consult your veterinarian regarding how to appropriately dose and store kristalose once it is opened. Thank you, VetRxDirect
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Hello, According to the package insert you linked this product to, "The usual adult dosage is 10 g to 20 g of lactulose daily." Is the product you're selling an altered product? The package reads "single dose"- for humans? or for cats? It is extremely expensive if you give all of it in one dose. My 21 year old cat's vet has not heard of this product. She would not know how much to prescribe for him (11 lbs). Is there a package insert for CATS? I would not be comfortable guessing at the correct amount to give him! Sincerely, Martha?
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Kristalose (lactulose) is a human-labeled product that can be used in animals. There are no veterinary-labeled lactulose products currently. Lactulose is used to treat constipation in cats at a recommended dose of ⅓ g / kg twice daily mixed with food. This means your cat would need 1.67 g per dose, if your veterinarian wants to use the recommended dose. If you purchased the 20 gram packet there would be enough for 12 doses. Talk with your veterinarian to see if this is the best option for your cat. Thank you, VetRxDirect
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