[Maximo]

Senior female dogs often have trouble controlling their bladder, and sometimes their bowels. Your dog is small and never been properly potty trained on top it.

We've had senior female dogs who benefited from a daily medication to help with bladder control. I can't think of what the med is called.

Potty training in the senior years is likely not going to work fully, but I would still commit to increasing the frequency of her outdoor trips, and I would praise her each time she went potty in the right place. Reward her with a small treat too (we use a couple pieces of kibble).

You could also try piddle pads and diapers. If you use diapers, be sure to change frequently and take care of them properly to prevent skin problems.

I agree with posts above to keep in mind that one day you too will be a senior and likely have to depend on someone to help clean up after you. Be compassionate to your dog.

My Yorkies are 7 and 8 and we've had more than few nights of missing sleep, having to do butt washes every hour, clean up, because they were sick. It's not fun, but I made a commitment to take care of them, and I do it willingly with my whole heart. They are helpless, living beings. No different than a human baby.

If you are not able to fulfill your commitment, please contact a Yorkie rescue group.