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					Originally Posted by shodanusmc  Most likely a ear infection, yeast or bacterial. No 24 hour vet available? I am not sure what you can do outside of a seeing the vet for a swab and diagnoses. Redness and smell? | 
 
  No redness, no smell at all.  He's only mildly irritated.  He just got neutered Wednesday so perhaps he picked something up there?  He didn't stay overnight there.  I don't think that it calls for an emergency vet.