If a cat is experiencing mild symptoms of stress, such as lethargy or a slight decrease in appetite, it generally recovers within 1 to 3 days. If symptoms include coughing or a runny nose, recovery typically takes 5 to 7 days. However, severe stress can lead to more serious consequences, including the possibility of sudden death in cats.

Stress responses in cats can vary greatly in intensity. Mild stress may resolve on its own. If a cat's stress reaction doesn't subside over an extended period, it's considered over-stressed. If the body remains in a state of tension, unable to relax, it can result in various physical and psychological issues, and in severe cases, sudden death. With mild stress, such as slight lethargy or reduced appetite, a cat generally recovers within 1 to 3 days. However, if the stress manifests in more noticeable clinical symptoms, like coughing, a runny nose, vomiting, or diarrhea, recovery usually takes about 5 to 7 days.
What to Do When a Cat Exhibits Stress Response
Firstly, provide your cat with a small, quiet, and private room. A smaller space is preferable, as large rooms can make a stressed cat feel more pressured. Secondly, talk to your cat. While they might not understand the words, they can perceive the gentleness in your tone, pitch, and emotions, which can help to reduce their anxiety and allow them to relax. Additionally, if your cat is displaying significant stress, spend more time with them, offer gentle petting, and consider using catnip, which can often help them relax quickly. Lastly, use their favorite toys, such as a wand toy, to engage them in play. However, avoid excessive playtime that could lead to overexertion and exacerbate the stress response.