Why is your cat eating plastic? Identify and seek help to treat pica in cats.

Pica in cats—the persistent urge to eat non-food items such as wool, plastic, or cardboard. This is a complex, distressing compulsive behavior that remains significantly underrecognized and under-researched in veterinary medicine. Many cat owners are dealing with this problem without even realizing it has a name. 

While owners often dismiss it as a weird habit or simple boredom, true pica is a serious medical and behavioral condition that can quickly become a costly and emotionally draining problem in your cat’s home. 

Pica is not well researched, and it is unclear whether it stems from a combination of genetic predispositions, dietary deficiencies, early weaning, chronic stress, or underfeeding, or from a combination of them all. Because it mimics normal exploratory chewing, many cat owners fail to recognize the danger until it results in a life-threatening intestinal blockage. 

Furthermore, the veterinary research community has limited resources available to research this syndrome, leaving a critical gap in standardized diagnostic protocols and proven treatment plans. Consequently, many cats suffering from pica frequently go undiagnosed, leaving caretakers to navigate a hazardous condition with minimal clinical guidance.

Learn to identify pica symptoms in your cat.

Pica is distinct from chewing or accidental ingestion. Is your cat just playing, with a non-edible item stuck on their tongue? Or did your cat actively search for a pair of shoelaces? Observe your cat's behavior closely to understand the difference in behavior patterns and motivations. 

Is your cat chewing or swallowing non-edible items? Chewers will try to spit them out but are not always successful. Pica cats never spit out non-edible items. Once the items are in the mouth, they are chewed and swallowed. 

Pica kittens/cats intentionally seek non-edible items, and many develop a preference for certain textures or materials. Some cats prefer fabric, some prefer plastic, and others prefer objects of a certain shape, like strings. They will eat shoelaces, fishing line, parts of the wand toy, or the string on your hoodie. Pica cats seek out and eat non-food items with a purpose. They will look for them, grab the items quickly, and growl or hiss to keep them.
Cats cannot spit out things very well, so they end up ingesting them.

How to manage a pica cat – from environment to diet.

Remove any non-edible items the cat can reach, or block access. 

Is your cat focused on cardboard, plastic, or fabric, or all of it? Is it a certain shape or form of the non-edible items they are looking for? Observe closely and remove all items of interest.

Teeth Health:

Have your veterinarian thoroughly check your cat’s teeth to ensure there are no issues. Cats with mouth pain may chew on objects. Is your kitten teething? Kittens will chew and can accidentally ingest non-edible items.

GI issues.

Have your vet check for any GI issues. Maybe even do an ultrasound. GI issues could be the cause of pica or a symptom.  

Underfeeding and pica

Is your cat getting enough nutritious food? Do you give your cat enough calories each day? Underfed cats will look for food. Don’t forget that kittens require a lot more calories. Underfed kittens can become food-obsessed. 

Calculate the caloric intake and make sure they get enough food for their life stage and activity level. 

As mentioned, there is little to no research on pica, but it is often diagnosed in young cats, which suggests that underfeeding them as kittens may have contributed to the problem. 

Enrichment.

How often do you play with your cat? Do you offer food puzzles, pattern games, or clicker training? Is your cat allowed outside, or does it have access to a patio?

Have you considered harness training?

Other options to consider that may help with pica:

1.Diet

Change to a raw diet that encourages more chewing. Adding a probiotic will support gut health. 

2. Treats.

Treats that allow for safe chewing include beef tendons for dogs, frozen or fresh chicken necks, or cat grass. Kongs filled with lickable treats (be careful if you have a plastic chewer!). Food puzzles (never unsupervised).

3. Talk to your veterinarian about medication.

Pica in cats is a dangerous condition that typically does not improve on its own.  Find a cat-friendly or fear-free-certified vet who will listen to your concerns and take you seriously. 

4. Work with a cat behavior expert

A cat's pica habit is incredibly difficult because it is a compulsive behavior, not a simple discipline issue. For a cat with pica, the behavior itself is rewarding. The chewing or swallowing non-food items releases chemicals in the brain that temporarily relieve stress or anxiety. 

This creates a self-reinforcing loop: the behavior feels rewarding, so the cat seeks it out repeatedly. Because the urge is neurological rather than behavioral, traditional punishments do not work and can worsen the condition by increasing the cat's stress. Managing pica requires a strict, long-term commitment to environmental modification, meticulous item management, and often veterinary behavior medication to alter the brain chemistry driving the compulsion.

References: 

Bradshaw, J. W. S., Neville, P. F., & Sawyer, D. (1997). Factors affecting pica in the domestic cat. Applied Animal Behaviour Science, 52(3–4), 373–379. https://doi.org/10.1016/S0168-1591(96)01136-7

Demontigny-Bédard, I., Bélanger, M.-C., Hélie, P., & Frank, D. (n.d.). Medical and behavioral evaluation of 8 cats presenting with fabric ingestion: An exploratory pilot study.

Kinsman, R., Casey, R., & Murray, J. (2021). Owner-Reported Pica in Domestic Cats Enrolled onto a Birth Cohort Study. Animals, 11(4), 1101. https://doi.org/10.3390/ani11041101

Unusual eating habits. (n.d.).