These are perfect, thank you!
No, I can see that he's not itchy; these lesions weren't created by scratching nor do they continue because he's scratching at them.
But he is shaking his head which is one reason why they aren't healing....in addition to the fact that it's notoriously difficult to get the tips of ears to heal. It can often be a nightmare because there's a good blood supply and it's a tough area to bandage.
I believe the one is well on it's way to being ok but the other one looks slightly infected to me. Of course, it could look that way because of the spray you used but it has a much nastier look to me.
So, the goal is to treat this wound topically as well as to prevent more damage when he shakes those ears.
My suggestions would be as follows:
1. I would clean both areas with dilute betadine/iodine (to the color of weak tea) twice a day and let it dry. These anti-septic products are available at most pharmacies. I would avoid hydrogen peroxide since it can retard healing and alcohol will burn (which you probably already know.)
You can also purchase products with chlorohexiderm in the label which has good antibacterial properties.
2. Then I would apply over the counter topical antibiotic ointment such as you would use for a wound on yourself.
3. I would purchase or make a "hood" such as is described in this LINK
. It's often difficult to immobilize those ears but this will give you an idea of what I mean and what will be necessary to prevent more damage to the one ear tip. It's even possible that pet stores will carry such products since many have expanded their product line to include cones, etc.
It's quite possible that he'll need oral antibiotics before you see significant improvement in the one ear but I'd try the above first for 3-4 more days.
Regardless of what initiated these wounds (and in many cases, we haven't a clue), it can be extremely challenging to get them to heal unless the ear is immobilized.
I hope this helps and I wish you much luck. Deb