I thought it was from excitement, when Chelsea was young. She is now 2yrs-8 months old, and it still continues.
When we have visitors over, she waits in her crate, approx 20-30 min. then I carry her out to do her business, ONLY then is she allowed to greet the visitors. This system has seriously helped her excitement incontenance.
After she was housetrained, I caught her LEAKING
as she slept. She was laying near my computer chair, on her side, and I saw little drops coming out. Occasionaly, she would wake up, with one side of her completely soaked, and her bedding, so I mentioned this to our VET.
He suggested I try Proin, half in AM and half in PM, since one can adjust the dosage alone, (as directed by our VET), she is now on a full one, in AM, and half in PM, and is doing much better. No leaks, nor soaked sides.
http://www.1800petmeds.com/pdetail.a...2&SP=dog&MG=25
Our vet said its common on spayed females, especially, if they are spayed young, and Chelsea was spayed at 6 months.
She has learned when she gets it too, when I brush my teeth, AM and PM, she is sitting, patiently waiting for her chewable pill!