I'm not positive if my guinea pig (Ginny :]) has mange mites but i'm pretty sure that she does. I've been looking online to see why her skin has gotten to be so awful. Her skin is completely tore up, it looks like dandruff and she's had hair loss and she keeps itching, which only makes it bleed. I thought maybe it'd get better and it hasn't, which led me to searching online. When I saw pictures of other guinea pigs with mange mites, I knew that she had it. I feel like crying! The website said that mange mites are incredibly painful for guinea pigs. It's one in the morning where I live, so no veterinarians are availale and I have to wait until tomorrow. Hopefully somebody will be available. On a website I found, it said that ivermetcin was the best remedy for mange mites. I feel so awful. I should have realized it was something bad. Has anybody had this problem either???!!!!