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My spayed dog keeps humping my cat. Is this normal, and what can I do?

Updated On September 23rd, 2025

Pet's info: Dog | Miniature Pinscher | Female | spayed | 2.5 lbs

My dog was spayed long time ago and never had intercourse. I have a cat that was also neutered a while ago and never had intercourse. Now, my female dog is "humping" on my cat. Is that normal?

2 Answers

Most Helpful Answer

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Answered By Rodrigo Roca, DVM

Veterinarian

Published on May 23rd, 2018

Treatment • Seek veterinary help o Visit your regular veterinarian first so you can determine if a medical issue is the cause. If the cause is not medical, your veterinarian will help you determine the underlying problem. Sometimes either journaling or filming your dog performing the behavior and bringing this information to your veterinarian can help him or her determine the reason of your dog’s mounting behavior • Identify what the motivation is for the mounting behavior (stress, anxiety, attention-seeking, sexual behavior). Each require different forms of treatment. For example, if the cause of mounting is due to over-excitement, regular exercise may help relax your dog. By addressing the underlying behavior, often anxiety and stress, you will decrease the mounting. • Practice avoidance o When your pet starts the behavior, leave the immediate environment. This helps to prevent any encouragement and praise. • Teach or use different commands to distract the dog during the behavior. o Make sure your dog can sit, leave it, down, off so when he/she starts inappropriately mounting, you can use these commands. When you do reward him, make sure it is for the command that he followed, and not for the mounting behavior. • Medications o Medications are sometimes used to decrease the underlying anxiety and stress. Please talk with your veterinarian specifically about your options. Things not to do: • Positively reward the behavior o Including giving any type of praise or reward while your dog is mounting, • Punish the dog o Kicking, kneeing, punching, slapping, and other forms of direct punishment, as this can cause more problems. In conclusion, the causes of mounting are many. The best first step is to take your dog to your veterinarian to determine the cause for the mounting. It also can help to keep a journal to document the circumstances of your dog’s behavioral changes. This will allow you and your veterinarian to work together in determining how to help your dog.

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    Answered By Rodrigo Roca, DVM

    Veterinarian

    Published on

    Hello, occasionally this mounting behavior can be seen in spayed animals. However, occasionally, this can be seen when there is remnant ovarian tissue left after the spay. If this behavior persists, then it may be worth to measure her sex hormones (estrogen and progesterone) to screen for any potential remnant ovarian tissue. Alternatively, here are some tips on how to manage mounting behavior. Hope this helps and best of luck. Mounting behavior (also referred to as "humping") is a common behavioral problem owners encounter with their dogs. This behavior can manifest in the inappropriate mounting of legs, arms, inanimate objects (plush dolls, pillows, etc.) and other animals. Commonly, mounting is thought of as being sexually driven; however there are other differentiating causes depending on whether the dog mounts a human versus another animal. When a dog mounts a human, the impetus is typically stress, anxiety, or attention-seeking behavior. When a dog mounts another animal, it typically is caused by either arousal, anxiety, or play. Intact males and intact, “in-heat” females often display inappropriate mounting, reaffirming the potential role of sex hormones in this behavior. Furthermore, mounting behavior may be observed for several months following a neutering surgery in both males and females. A lot of puppies will exhibit mounting behavior, and it is simply a way for them to play. Most commonly people say that mounting is due to dominance issues, but in reality this is very rarely the cause. Causes of Inappropriate Mounting Hormonal: • Intact (not spayed or neutered) dogs, including those that are cryptorchid, where one testicle remains in the abdomen and doesn’t descend. • Rare causes include retained ovaries after spaying and tumors Other medical issues: • Urinary tract infection • Urinary incontinence • Skin allergies or anything else causing itchiness (flea infestation, etc) • Rarely can problems be caused my inappropriate mounting, but can include paraphimosis (inability of the penis to retract into the sheath), abrasions, bites to the dog (if the object of the mounting disapproves) or people (if people physically try to stop the mounting). Behavioral: • Response to stress or excitement • Sexual/masturbation • Play behavior • Dominance (rare) • Obsessive or other repetitive behaviors (rare)

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