One of mine was a frequent puker. She was like that for the first 7 years that I had her. She would puke up seemingly raw food almost every day. Often she would re-eat the puke if I wasn't fast aout cleaning it up. I had given up trying to figure it out since she maintained her weight.
About a year ago I discovered that she was drinking water from the downstairs toilet. I started making sure the toilet lid was always closed and about 2 months later she stopped her puking. That, along with frequent brushings, stopped her puking.
Now she is getting fat. I have 4 cats and it is always something
