My hamster has a sore, quickly growing bald spot. What should I do?

Question

Brian my dwarf hamster has a bald patch between his ears that looks very sore. It has doubled in size over night. What can I do? Pet's info: Small Animal | Hamster | Male

Miranda Sadar, DVM, DACZM · Accepted Answer

Thanks for your question about Brian. If the bald patch is growing in size that quickly, and if it is also associated with redness, flakey skin, or evidence of pain, I would recommend that he be taken to a veterinarian for evaluation. I didn’t see how old he is, but infections, cancer, and hormonal disease are very common in hamsters. Your veterinarian may take a sample of the skin and fur in the area, and depending on what they find, they may recommend medications for him. Please don’t give Brian any human medications at home, as many of them are harmful to our furry friends. I hope that gives you a place to start, and thanks for using Petco Pet Education Center, formerly Petcoach.

My hamster has a sore, quickly growing bald spot. What should I do?

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