skin issues

Does anyone know why my rat might have these red patches on his tail? He doesn’t seem to have any symptoms otherwise. He’s eating and drinking as normal and has normal energy levels. It doesn’t seem to be itchy for him as I don’t see him over grooming the area when he’s out and about. We have a...

My dirty boy Roach has come up with a massive lump on his body... Has anyone seen this before? It's right and up a bit from his penis and it doesn't seem to be painful, just ugly. There is a small scab on the centre but that's it. It's squishy like a cyst. Could it be an abscess? I do work...

Does anyone have rats with seborrheic dermatitis? If so can you post photos? I cant find a single photo of a rat with it.