Featuring:

EN Gastrointeric:

Highly digestible complete nutrition for dietary management of dogs and cats with gastrointestinal conditions. More


case studies: nutrition in action

Find Case Studies

Showing 24 of 24

Jackson Warms Up After Slim Down

Jackson, a 9-year-old Domestic Shorthair, had struggled with weight from a young age. After involvement in Project: Pet SlimDownTM, he was able to lose weight and feel better -- despite the challenges inherent in getting cats to exercise.

A Second Chance for Mikio

Mikio, abandoned with his umbilical cord still attached and only 3 ounces, was in gastrointestinal distress and in danger of dying as two of his litter mates had. After a veterinarian suggested adding a small about of Purina Veterinary Diets® FortiFlora® Feline Nutritional Supplement in Mikio’s bottle to help regulate his digestive system, Miko's GI issues resolved within days. After he was weaned at 7 weeks of age, Fortiflora continued to be part of his diet.

Harry Finds GI Balance With Nutrition

Harry, a 1 1/2-year-old West Highland Terrier, began to experience gastrointestinal (GI) symptoms at about 6 months of age: increased frequency of defecation, straining to defecate, and small stools containing mucus and sometimes blood. Harry was having accidents in the house, with frequent episodes of diarrhea. Only two days after starting on Purina Veterinary Diets® DCO Dual Fiber Control® Canine Formula, Harry's symptoms began to improve, and he remains on the food to manage his colitis.

Bentley Motors to Better GI Health

Bentley, an 8-year-old Bichon Frise with a diagnosis of inflammatory bowel disease (IBD), was not improving -- even with a hydrolyzed diet and an antacid, plus prednisone, metronidazole and a probiotic. Despite B12 injections and an intestinal diet, his total protein level dropped and his weigh dropped from 11 pounds to 9.8 pounds. His total protein was 2.7, with an albumin level of 1.5 — both life-threateningly low.

"Slim" Chance for Charlie

As Charlie aged, he gained significant weight. This caused the three-legged Beagle-Basset Hound mix significant mobility problems. He also began exhibiting aggressive tendencies. His body condition score (BCS) was nine. The situation was so dire, the owner broached the topic of euthanasia for Charlie. After trying weight loss one more time with Purina Veterinary Diets® Project: Pet Slim DownTM, Charlie's life turned around.

Nutrition Solves Dental Dilemma

Penelope, a 7-year-old Cavalier King Charles, spent the first three years of her life in a puppy mill before an animal welfare organization rescued the mill’s 30 inhabitants. All the rescued dogs were given a veterinary assessment. Penelope was spayed, and five of her teeth were removed.

Mia Holds Her Own With Kidney Disease

Mia, a 2 1⁄2-year-old Olde English Mastiff, began exhibiting signs of kidney disease at just 9 months of age, including polydipsia and polyuria, frequent urinary tract infections, weight loss, and a dull coat. An ultrasound and a physical examination produced no significant findings besides the fact that Mia was too thin. However, Mia’s blood work showed significantly increased levels of creatinine and blood urea nitrogen (BUN), which led to a diagnosis of renal disease.

One Food Fits All for Molly Sue and Jill

Molly Sue, a 1-year-old Labrador Retriever, loved to hunt with her owner, David Mackintosh. But at 7 months of age, the active dog began to limp, then put on weight. A physical examination and radiographs revealed bilateral cranial cruciate ligament ruptures. At the time of diagnosis, Molly Sue weighed 60 pounds. The other household dog, a miniature Dachshund named Jill, was also too heavy, weighing 17.2 pounds.

Keeley Moves to Improved Urinary Tract Health

Keeley, an 8-year-old Maine Coon, was diagnosed with struvite crystals in her urine and placed on a diet for cats with urinary tract problems. When Keeley’s owner moved to another city, Keeley and her urinary tract problems moved, too — along with some unneeded weight.

Chronic skin and digestive problems completely reversed

After transitioning to HA Hypoallergenic® Feline formula, Diesel’s chronic diarrhea, vomiting, and painful skin lesions completely disappeared. His appetite returned, and this former barn kitten began to thrive.

Courtney’s Weight and Allergies In Check

Jackson came to his veterinarian when he was 6 months old with vomiting, GI upset and diarrhea. Treatments for parasites didn’t solve the problems, so alternate diets and treatments, which helped but didn’t solve the problem. Then he was switched to Purina Veterinary Diets® HA Hypoallergenic® diet with hydrolyzed soy protein – and it got him back on his feet.

Jackson Back at Play

Jackson came to his veterinarian when he was 6 months old with vomiting, GI upset and diarrhea. Treatments for parasites didn’t solve the problems, so alternate diets and treatments, which helped but didn’t solve the problem. Then he was switched to Purina Veterinary Diets® HA Hypoallergenic® diet with hydrolyzed soy protein – and it got him back on his feet.

Allie: Body condition score went from 9 to 5

When Allie was left behind by her owners at the Pellissippi Veterinary  Hospital in Nashville, Tennessee she was terribly overweight. Knowing it would be hard to find Allie an adopted home, veterinary technician Jan Barker stepped in to help her shed some of the 20 pounds packed on her small frame.


Vito: Increased mobility in one week

Arthritis can stop even the most energetic dogs in their tracks. When Vito’s owners noticed his unwillingness to play fetch, they took it as a sign of aging. But what really was slowing Vito down was arthritis.

Clear Relief for Smokey

After tests revealed Smokey’s blood-tinged urine and urination pains were the result of bladder stones, Smokey’s veterinarian recommended Purina Veterinary Diets® UR Urinary St/Ox® Feline Formula. A urinalysis one month later was normal. Years later, with a continued diet of UR, Smokey remained problem free.

Nutrition Helps Yoda the Cat Live Insulin Free

Suffering from diabetes mellitus and a urinary tract infection, Yoda needed to reach a healthier weight. Two months after switching to Purina Veterinary Diets® Dietetic Management® Yoda lost 3 pounds and his diabetes was managed without daily insulin. His owner couldn’t be happier.

Gutsy Mom and Kittens Beat the Odds

When Pips was rescued she weighed just 3.5 pounds and all of her energy was spent caring for her five kittens. Intestinal parasites, diarrhea and severe dehydration affected them all until their veterinarian recommended Purina Veterinary Diets® FortiFlora® Feline Nutritional Supplements. The kittens and Pips improved and found new homes.

Kramer Back Up and Running

The lameness in Kramer's hind left leg saw no improvement since being hit by a car 8 years ago – until he switched to Purina Veterinary Diets JM Joint Mobility. He experienced marked improvement in his mobility and was no longer affected by cold weather.

Molson is “Golden” After GI Problems

Molson had a case of severe diarrhea and vomiting. Negative test results for intestinal parasites prompted his veterinarian to recommend Purina Veterinary Diets EN Gastroenteric plus FortiFlora. Within days his diarrhea was gone and he was back to his old self.

Bailey Bounces Back

Bailey, a once lively 13-year-old Golden Retriever mix, had lost her energy to osteoarthritis. Where supplements and drugs fell short, JM Joint Mobility Formula was able restore her energy and put her back in motion – pill free.

Diet Helps Caleb Conquer Food Allergy

Caleb’s chronic ear infections were a lifelong challenge – until his veterinarian found they were related to a chicken allergy. After switching to HA Hypoallergenic® Canine Formula, the infections stopped, making everyone happy!

Micha Casts a Slimmer Shadow

Micha weighed 27 pounds with a body condition score (BCS) of 9 out of 9. After another therapeutic diet left her hungry, she tried Purina Veterinary Diets OM Overweight Management - and shed 14.5 pounds and dropped to a BCS of 6.


Kodi’s Second Chance

Kodi suffered from severe gastrointestinal issues that almost led to her being euthanized. But her veterinarian convinced Kodi’s owners to try a new dietary supplement including Purina Veterinary Diets® FortiFlora® Canine Nutritional Supplement. The supplement worked – and Kodi got a second chance.

Felix Feels Better

When Sam, 8, suffered from a gastrointestinal (GI) virus, his veterinarian recommended EN Gastroenteric® Feline Formula to help manage Sam’s GI upset and stabilize his weight. Little did the cats’ owner know that 6-year-old Felix, who had been plagued with serious GI problems for years, also would benefit from EN, too.