Ask a Dog Vet and Get Answers to Your Dog Health Questions
I am sorry you are worried about Piper. My name is Rebecca. I am a veterinarian and will do my best to help.
If it feels like there is fluid in the ear, it is probably blood and this is probably an ear hematoma rather than an infection. We don't know why these happen. Sometimes if the dog has an ear infection, these form from the dog shaking her head, but often there is no ear infection. One theory is that it is an allergic reaction to something.
Puncturing with a needle does not usually drain these; I drain them with a syringe and suck out the bloody fluid. Often it just fills up again unless you start the dog on steroids like prednisone to suppress the allergic reaction.
Until you can get Piper to a vet, you could start her on antihistamines, until she can get prescription medication. You give 1 mg per pound (10 mg for a 10 pound dog) 2 to 3 times daily. If you have any cortisone ointment like Cortaid, that might help keep it from getting bigger if you apply it to the ear.
Let me know what else I can help with or answer, and how she is doing.
Here is an article about these ear or "aural" hematomas:
I hope you are able to see what I wrote and sent. Can I help with or answer anything else?
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