Hi Customer (name blocked for privacy),

No self-respecting tick is going to go after an elbow. If it did, they fall off when they die. (and they don't have a head).

So, this may be an irritation and protective reaction to pressure. Is there a sharp bony area under, or very close to it, that puts this spot right between 'a bone and a hard place'? Right behind, or under, the elbow is the usual place for pressure hygromas, but the outside of the elbow is also a spot to see calluses. Dogs tend to have different ways to lay on the floor, so we can expect to see them most anywhere.

The black spots may be like blackheads, but I can't see them from here. Your alcohol cocktail should have removed them by now.

The cocktail you are using is probably to soften any calloused tissue (the aspirin part). And the redness would be due to irritation.

If this is on the mark, then treatment is to get her to lay somewhere softer, possibly a rug. (But rugs are warmer, and this may be why she is on hard floor). Or lay in a different position.

If this is a miss, we'll start over on a different path.

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