Slow, controlled introductions reduce fear and fights. Before visual contact, swap scents: rub a cloth on each animal and place it near the other’s resting area so they learn the smell in a calm setting. Keep the dog on leash and the cat in a secure room or behind a baby gate at first so each can retreat.
Feed both on opposite sides of a closed door so they associate the other’s presence with something positive. Gradually open the crack or use a gate with visual access while the dog stays calm; reward calm dog behavior and let the cat choose how close to approach. Never force nose-to-nose meetings.
First face-to-face sessions should be short, with the dog leashed and the cat able to exit vertically or to another room. Interrupt chasing, barking, or staring; give breaks before stress escalates. Some pairs need weeks of staged steps; others adjust faster depending on age, prior experience, and temperament.
Calm, tolerant breeds and individuals often adapt more smoothly, but individual personality matters more than breed alone. Ensure the cat always has litter, food, and rest areas the dog cannot corner. If there is aggression or sustained fear, consult a qualified trainer or veterinary behaviorist rather than hoping it resolves on its own.