My cat was really calm and remarkably very friendly for a month since the beginning of March. She was sterilized when she was 3, now she is 5 years old. She has always been always aggressive and does not really like to be touched or hugged. But she let us touch or hug her even touch her stomach for a month. She has never hurt us for a month.
Today is the 30th of March, we were watching "Lost" on the TV with my wife and my cat. And we were eating pasta with pork sausage, which turned out to be 5 days past its best-before date. I just sneezed and she looked at me with big eyes, then I thought she wants to help me and then I faked another sneeze. She suddenly started to scream and run towards me. She was attacking to kill me. I hold her like 30 seconds, and she acted like it's OK and then I let her, and then she started to attack my wife. Then I held her and threw in bathroom. Her nails were all over me. She broke her nails attacking me. My arms and hands are completely bleeding out. We had waited for half an hour and she sounded calm, so we let her out again. She walk a little bit to living room and then she turnes to us and started to attack us again. It was unstoppable. I have never experienced something like this, she was like a monster. I threw her into the bedroom and she did not stop. An hour later we checked the room, it turned out she has urinated and soiled the floor which she has never done before. We put everything she needs inside. But I do not know when she will become normal. When we try to talk or open the door she is attacking and screaming. She is also sniffing something.
Maybe the expired pork sausage did it, maybe my sneeze or maybe the end of the March? Please help us.
Thank you so much for your answer. There were a lot of things therefore I can't find the reason. The house was smelling like bad pork, the room was dark, and the day was the end of the March, so it might be related to mating season. But I am sure that my sneeze triggered her. She just looked at me and started to move towards me slowly, then suddenly ran over my wife and attacked me.
The interesting thing is, my wife's roommate and her boyfriend was with the cat last year on the same day. And the guy laughed and then cat started to attack them like a monster and it was really bad. They ran into bedroom and locked themselves. Then my wife came home and held the cat, but she had no idea about the situation. Cat suddenly started to act normal and this never happend again until this year same day.
But this time she is not turning back to normal. We locked her to a room, we put everything inside. But she is not eating anything. She meowed till morning, then we open the door and let her our. We went to other room and waited like 2 hours. Then I opened the door, she was waiting in front of the door. She attacked and I closed the door, 10 seconds later we went outside, she was in the living room. And she urinated and vomited everywhere in the house in two hours, which she never done before.
We tried to talk and calm her, but she was screaming and trying to attack from where she sits. After 30 minutes we decided to put her back to the room. I tried to hold her with a blanket but she was unstoppable. worse then yesterday. She vomited herself while I was trying to hold her. Eventually we put her back to room.
She is always sitting in the same place and never sleeps, just looks outside from the door lock. It is not possible to get inside. We went to vet and had 2 medicines prescribed: Calmex Cat and Feliway Classic. I put some into wet food but she is not eating and I sprayed a pillow and threw inside. These should make her calm, but not sure if it is going to work.
She is acting like we are enemies. She does not recognize us. She is not blinking. I don't know what to do. I just keep her inside for few days. Let's see what will happen. I am open the all suggestions.
Edit: Problem solved. After several months she finally started to act normal. She is not what she used to be she is always afraid when she heard a sound. But at least she is ok with us. We always tries to stay calm with her, she senses if we afraid or worried. So it is really important to stay calm. But most important thing was water. Running or trying to stop her makes everything worse. We used water spray to keep her away when we sense she is going to attack. She really hates water so she just went back and acted like nothing happened after a little water. We started to touch her while holding the spray in one hand and we always walked at home with a water for months. Now after 12 months, we do not need any water. We are sleeping together again. She can attack to others but we can stop her so its ok. We will make it work somehow. We always give water to our guests to make them feel safe. We should have use water at the beginning the we would not had these issues most probably. Thank you all for your replies. If your cat ever goes to evil then just use water! And stay calm. Bye.