Hello I am Dr. Joey. Thanks for trusting me to help you and your pet today. I am a licensed veterinarian with over 16 years of experience. I look forward to working with you.
There are several possible reasons for what you report. The most common cause is Tia may have developed incontinence due to a deficiency of estrogen, which happens after female dogs are spayed. This is easily treated with prescription medication from your veterinarian (phenylpropanolamine or a hormone supplement). However, she may have develops a urinary tract infection or bladder stone which makes her bladder more sensitive and she easily urinates especially when at rest. These too are treatable. Alternatively, some dogs develops a problem that causes increased urine to develop such as kidney issues or liver problems.
The first step to diagnosing this is a trip to see her veterinarian. She needs an examination followed by testing that should include a urinalysis (+/- urine culture and lab work such as chemistry profile and complete blood count). This should help narrow down which of the causes I mentioned is going on.
I am at a point I need to know what questions you have. I hope that the information I provided has been helpful.
Please let me know if for any reason you need further clarification, have more questions, or were expecting a different type of answer.
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