Lily(F1.5) has been attacking Charlie(M9) since Saturday night and i don't know why. The only changes that happened was my other cat, Daisy(F3) came back from the vet clinic after staying there overnight for some medical issues.
Lily has never fully liked Charlie but they were still cordial with each other. Now she full on chases him and scratches him. Mind you, Charlie is a big kitty. He's about 5kg while Lily is around 2.8kg. He usually can defend himself but he refuses to fight against Lily and just tries to run away. These fights are stressing Daisy a lot as she is still recovering. Charlie could be minding his own business like eating or walking around and Lily will just come to him to attack him.
What is going on? It's definitely not a medical issue since she is amazing with Daisy and us. Could it be that she knows that Daisy is still a bit fragile and is protecting her? Charlie doesn't attack Daisy either.
I want her to stop as Charlie is an outside cat and lately he's been going to the neighbors because of this. I don't like that as he's already been poisoned twice in the past. And he shouldn't have to be afraid to come in his own home. He deserves to feel safe. They all do. Please help!