Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Why Do Cats Suck Their Tails? 7 Vet-Reviewed Reasons

Orange cat sucking on their tail

Tail-sucking is a confusing yet somewhat common feline behavior regardless of their age. Still, suckling is usually associated with nursing kittens, so it can be strange to observe this behavior in adult cats. Some cats might suck their tails habitually, while others might do it before specific tasks or when they feel unwell.

If you are dealing with a tail-sucking feline, this article will discuss the seven possible reasons behind their behavior.

divider 3 paws

The 7 Reasons Why Cats Suck Their Tails

1. Playfulness

If a cat is feeling playful, they might start playing with and sucking on their tails. This is commonly seen in cats who are playing with toys or other cats and start sucking on their tail when it catches their attention.

Cats playing with wands or teaser toys could also start randomly grabbing and sucking on their tails because its movements replicate those types of toys. They could also have mistaken their tail for another cat’s leg or tail during playtime. The more your cat’s tail moves, the more intrigued they might be to interact with it.

This possible reason isn’t usually a cause for concern and is fairly normal. Most cats quickly realize that there are better forms of entertainment and eventually leave their tails alone to resume what they were doing before.

cat-holding-and-licking-its-tail
Image Credit: Katho Menden, Shutterstock

2. Boredom

As we previously mentioned, cats seem to find some entertainment from playing and sucking on their tails. A bored cat with limited entertainment options might resort to sucking on their tails. This could be their way of relieving their boredom by using their tail as an outlet for their frustration from a lack of mental stimulation.

In situations where a bored cat isn’t having their needs met or feeling anxious or stressed from a lack of mental stimulation, their tail-sucking might progress to self-mutilation. This happens when they suck and overgroom their tail to the point of hair loss and skin irritation. It’s essential to ensure that your cat has plenty of species-appropriate entertainment to prevent them from becoming bored.

Looking for toys that will cater to the many needs of your cat? The Hepper Hi-lo Cat Scratcher is one of our favorite cat products, and it will encourage your cat to get active. Its clever three-angle design offers multiple ways for your cat to climb, stretch, and exercise. Made of a sturdy plywood base and a replacement cardboard insert, this scratcher is an option that cats can enjoy for years to come. If your cat requires a little encouragement for self-play, the Hepper Catnip Mice Toy Set is a fantastic choice for their instinctual needs. Made with natural, bite-resistant hessian fabric and filled with organic catnip. Cats can satisfy their natural prey instincts while getting the physical activity they need to thrive. 

Image Product Details
Great for Exercise Hepper Hi-Lo Cat Scratcher Hepper Hi-Lo Cat Scratcher
  • Multi-level play
  • Promotes exercise
  • Long-lasting material
  • Encourages Self-Play Hepper Catnip Mice Toy Set Hepper Catnip Mice Toy Set
  • Contains catnip
  • Kitten safe
  • Satisfies prey instinct
  • At Catster, we've admired Hepper for many years, and decided to take a controlling ownership interest so that we could benefit from the outstanding designs of this cool cat company!


    3. Instinct

    It’s instinctual for kittens to suckle on things, such as their tails, even after they have been weaned. Suckling brings them a sense of safety, security, and food when they are nursed by their mother. It’s normal for some kittens to suckle other objects or even themselves. Kittens are generally weaned from their mother’s milk from 6 weeks old but continue to suckle for the next few weeks. Although suckling behavior can lessen as kittens grow older, some adult cats occasionally do it too.

    mother cat and kittens in a box
    Image Credit: azklaa_am, Pixabay

    4. Allergies

    Cats with allergies may have itchy and irritated skin on their tails which is only relieved when biting or sucking on their tail.

    To determine if this is a possible reason, look out for signs of skin allergies in cats such as:

    • Hair loss
    • Frequent scratching
    • Overgrooming
    • Scabs or open sores

    These signs are usually visible in the areas your catch is itching the most, in this case, it would be their tails. However, you are likely to notice signs of skin allergies on other parts of their bodies too. Food, parasites, and environmental allergies are usually the main triggers for most cases of skin allergies in cats.

    To help your cat feel comfortable again, you should consult with a veterinarian about your cat’s possible skin allergies and tail overgrooming.

    If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

    PangoVet_Mention-in-Content for PangoVet2 save money


    5. Pain or Discomfort

    Cats may start sucking or licking their tail to self-soothe when they feel pain or discomfort. It could be a sign of overgrooming if their tail sucking becomes excessive or leads to skin irritation. Licking and sucking their tail could help them cope with pain and release endorphins which could ease their discomfort. Arthritis, injuries, infections, and bladder problems are some of the many possible causes for a cat to experience pain and discomfort.

    Cats tend to hide their pain well, so don’t overlook sudden behavioral changes and get them checked out by a veterinarian if you have any concerns.

    orange-cat-licking-its-tail
    Image Credit: Ormalternative, Shutterstock

    6. To Promote Relaxation

    Cats generally associate suckling with positive emotions from a young age. Nursing from their mother brought them a sense of relaxation and security, which is a feeling that could be carried into adulthood. It’s not unusual for some adult cats to suckle things to promote relaxation like they did when they were kittens.

    They might suckle objects like blankets or certain toys, but some cats suck their tails too. Some owners find that their cats suck their tails to help them fall asleep or when they want to relax in a comfortable spot.


    7. Anxiety or Stress

    Similar to how a cat would suck their tail to relieve pain, they could do it when feeling stressed or anxious too. The endorphins released when grooming their tails through licking and suckling are soothing for overly anxious cats.

    Furthermore, it might be considered a displacement behavior in cats highly aroused from situations of anxiety or stress. Displacement behavior can happen when cats cannot perform an appropriate behavior to a situation or emotion and perform an irrelevant activity instead. In this case, their displacement behavior would be tail-sucking to self-soothe when they are stressed or anxious.

    For example, an anxious cat that is being harassed by another cat has the option to either run away or hide, but groom themselves instead. Although this behavior doesn’t seem like an appropriate reaction to the situation, it’s the cat’s way of trying to make themselves feel better.

    Those caring for anxious cats understand the struggles and discomfort that their companions feel on a daily basis. The innovative bowl shape of the Hepper Nest Bed provides nervous pets with support and its high sides offer a sense of security, diminishing stress and worry. To learn about how to the Hepper Nest can provide solace to your cat, click here.

    Hepper Cat Nest Bed
    • HAPPY COZY CATS - Your kitty will bask in luxurious sherpa-lined comfort while feeling warm, safe,...
    • MODERN DESIGN - Contemporary styling with upholstered fabric construction; just like your human...
    • WARM FLEECE LINER - Self warming, thick sherpa fleece with microfiber trim.

    At Catster, we’ve admired Hepper for many years and decided to take a controlling ownership interest so that we could benefit from the outstanding designs of this cool cat company!

    divider 3 paws

    Conclusion

    There are various possible reasons a cat could start sucking their tail. These possibilities range from instincts, pain, psychological, allergies, and even to promote relaxation. Tail sucking usually isn’t concerning in cats who occasionally do it for relaxation or instinctive reasons. However, it can be concerning if they do it because of pain, allergies, anxiety, and stress-related reasons.

    If your cat’s tail sucking is becoming excessive or causing skin irritation or hair loss, you should contact a veterinarian.

    See also: 


    Featured Image Credit: Vladimir Lazarev, Shutterstock

    Want content like this delivered to you?

    Sign Up For Our Newsletter

    News, insights, expert advice, and everything cat

    * By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.

    How useful was this post?

    Click on a star to rate (you can leave written feedback after clicking submit)

    Help us improve Catster for pet parents!

    Your feedback really matters.

    What did you like about this post? Also how can we improve it?

    Join the conversation

    Leave a Reply

    You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.

    Talk With A Vet Online

    Peace of mind,
    anywhere, anytime

    Affordable vet advice

    Domestic Longhair Cat Breed: Info, Pictures, Temperament & Traits

    The Domestic Longhair cat isn’t any one specific breed. Rather, it’s just the common name for a house cat with long hair. They...

    Can Catnip Cause Seizures in Cats? Vet-Reviewed Facts & FAQs

    Catnip is a perennial herb popular with felines for its stimulating, possibly hallucinogenic effects. Catnip is generally safe for healthy adult cats, but...

    Cat Asthma: Vet Reviewed Signs, Life Expectancy, & Treatment

    Asthma isn’t just a human disease; it can affect our pets too. In fact, it affects between 1% and 5% of cats. It’s...

    How Many Cats Can You Own in New York? What the Law States in 2025

    Cats are incredibly popular pets. In New York City alone, it’s estimated that there are about 500,000 pet cats1. But if you’ve been...

    More related

    Why Do Cats Loaf? 5 Vet-Reviewed Reasons

    The “loaf” position has become quite popular on social media. If you own a cat, you’ve likely seen your cat in this position....

    Are Snake Plants Toxic to Cats? Vet Approved Facts & FAQ

    Snake plants are charming, large-leafed plants that look stunning in almost any home setting. But sometimes when we mix plants and our household...

    Why Does My Cat Look Out the Window All Day? 5 Reasons & Care Tips

    Does your cat love their window seat? Many cats spend most of their days hanging out by a window to see what’s happening....

    Free-Roaming Cats: Vet-Reviewed Pros, Cons & Legalities

    Should your cat be an indoor or outdoor pet? Among cat owners, this question can be controversial. There are strong opinions on both...

    Keep reading

    Why Does My Cat Hunt? Vet-Approved Behavior Science & Information

    If you make sure your cat is always well-fed and has plenty of toys, it can be frustrating to find that they still want to hunt. Whether that’s catching something in your backyard or stalking the dog, most cats can’t...

    Black Oriental Shorthair in the grass

    Can Cats Eat Egg Yolk? Vet-Approved Nutrition Facts

    The yolk of the egg is where most of the nutrients are found. It is packed with fat, which your cat can easily handle, and egg yolk can prove a healthy and nutritious treat for your cat. The high-calorie count...

    Can Cats Eat Egg Yolk

    Is the Buttercup Toxic to Cats? Vet-Approved Facts & FAQ

    The buttercup plant (Ranunculus acris), also known as butter cress or figwort, is a member of the Ranunculaceae family (that’s a mouthful!). It’s a common yellow plant in the US. If you grew up near them, you might have used...

    Catster_Is the Buttercup Toxic to Cats

    Are Hemp Cat Collars Safe? Facts, Benefits, & FAQ

    Of all the necessities we provide our cats, protection is one of the biggest. Placing a collar on your cat is one way to make life easier with felines. A collar can help identify your cat if they’re lost or,...

    putting a collar on a cat

    10 Types of Veterinary Specialists & What They Do: Vet Approved Guide

    Many cat parents may think their local veterinarian is the only option for their cat’s well-being and health, but this is not the case. Veterinary medicine and pet care operate in a similar way to human medicine. There is primary...

    cat owner talking to the vet while examining the cat

    Can Cats Eat Carrot Cake? Vet-Approved Facts & FAQ

    Every cat lover wants to celebrate their furry friend. If you plan on throwing a party for your cat, you’ll want to hold off on the cake–even if it is carrot cake. While a single bite of carrot cake isn’t...

    Can Cats Eat Carrot Cake

    Why Is My Cat Pooping on the Floor? 4 Vet Reviewed Reasons

    Cats are fun, frisky, and usually clean. They wash themselves with their tongue, and they are careful not to frequent muddy or dirty spaces in general. They also do not typically enjoy leaving urine or feces just anywhere, which is...

    hand picking up cat poop

    Why Does My Cat Sit By the Door? 5 Vet-Verified Reasons

    To many cat owners, it may seem as if their beloved kitties intentionally and precisely plan their actions to confuse us! Many of our cats’ behaviors are obvious and easily understood, but there are still more that we may never...

    cat-meowing-or-trilling-by-the-door