Hello! First post. So my brother got a guinea pig for his birthday, (it was an impulse buy from my mom and he does not have the right set up, trying to convince her to get a bigger cage, but that’s besides the point-) and today I noticed he has a whitish patch of crust on the top of his ear and...
help advice needed
My guinea pig had a wound on her ear from where the other one nipped at her. It scabbed over nicely, but she scratched it off. Now it’s an even bigger, bloody wound and she has blood on her. How do I help her without seeing a vet?