There are many things you can try to help your anxious cat feel more calm and secure. Here are a few suggestions:

1. Provide a safe space: Cats feel more secure when they have a place they can retreat to when they feel threatened or anxious. Consider setting up a cozy “catio” or creating a safe room for your cat to retreat to.
2. Give your cat plenty of mental and physical stimulation: Cats are natural hunters and need to hunt and explore to stay happy and healthy. Provide plenty of toys, scratching posts, and climbing opportunities to keep your cat active and engaged.
3. Create a predictable routine: Cats thrive on predictability and routine, so try to stick to a regular feeding, play, and grooming schedule.
4. Use pheromone diffusers or sprays: These products can help to create a calming atmosphere for your cat.
5. Consider trying a natural calming supplement: There are many natural supplements available that can help to reduce anxiety in cats. Talk to your veterinarian about the options that may be appropriate for your cat.
6. Consult with a veterinarian or a feline behaviorist: If your cat’s anxiety persists or is severe, it’s important to seek the help of a professional. A veterinarian or a feline behaviorist can help you determine the underlying cause of your cat’s anxiety and develop a treatment plan.