I suspect that this is related to allergies and therefore the answer lies in helping the body from the inside out versus trying to get topical products work for the outside in.
Please talk to your vet about the many options we have for treating atopy in dogs.
You may also need an oral antibiotic or medication for over abundant yeast.









I start a work up for a cough with trying to decide if this is a respiratory issue (ie the lungs/trachea part of the body reposition breathing) or a cardiac problem (heart). An examination is key to this. After that I talk about an Xray or blood work. I wish I could help more than this but I think it’s time for a second opinion and diagnostics.