Short-term behavior in the first days
In the first day or two, a spayed cat is commonly drowsy, unsteady and quiet as the anesthesia wears off. She may hide, sleep more, avoid jumping, and be less social. Some cats are a bit grumpy or irritable, especially in a cone. Others seek extra attention. Both patterns can be normal.
Appetite after spay
Appetite is often low the first evening, then improves over the next day or two. Offer a small meal and fresh water, and avoid forcing food. If your cat has not eaten for about 24 hours, or is also vomiting or very lethargic, call your vet. Vomiting or not eating can also be signs of pain or a complication.
How long until she acts normal
Many cats seem much closer to normal within several days, and the standard recovery period is about 10 to 14 days. She may feel better than she is healed, so keep limiting jumping and rough play until your vet clears her. See spay aftercare for cats for the full recovery routine.
Long-term changes: heat behavior, roaming, temperament
Once the ovaries are removed, heat cycles stop. That usually means the end of heat behaviors such as loud yowling, restlessness, rolling and rubbing, and trying to escape outdoors to find a mate. Many owners also notice a calmer cat who is less territorial, though personality differs between cats and you should not assume any particular change.
More affectionate or more withdrawn?
Some owners report that their cat becomes more affectionate after a spay, and others find she is reserved for a while. Part of that is recovery, and part may be the end of heat-related behavior. The basic personality stays largely the same. If she is quieter for more than a couple of weeks, or her mood seems strongly changed, ask your vet to check for pain or illness.
Weight gain
A spayed cat’s energy needs can drop while her appetite stays the same or increases, so weight gain is a common concern. Measured meals, regular play and periodic weigh-ins can help. Ask your vet to recommend a portion size and food that suits her, rather than guessing.
Does she know she was spayed? Is she happier?
There is no way to know what a cat understands about the surgery. She does not appear to grieve over it. What we can observe is that she is no longer going through heat, which can be stressful, and many owners find she is more settled. If she seems sad or withdrawn for a long time, take that seriously and have her checked.
Signs of heat after a spay
A spayed cat should not go into heat. If she shows heat-like behavior such as loud calling, rolling, or presenting her rear months after surgery, call your vet. Rarely, ovarian tissue can be left behind or another medical issue may be responsible. Your vet can advise on the next steps.
When behavior is a reason to call the vet
Contact your clinic if you notice:
- Extreme lethargy or hiding beyond the first couple of days
- Not eating for more than about a day
- Vomiting that keeps happening
- Aggression, crying or signs of pain that do not improve with prescribed medication
- Swelling, redness, discharge or an opening at the incision, covered in what a healthy spay incision looks like
If your cat is very young, see how to care for a kitten after spay. A lump near the incision is covered in lump under a cat’s spay incision.
This article is general information and not a substitute for advice from your own veterinarian.