https://www.vetsurgeon.org/f/clinical-questions/30077/pruritis-and-wart-on-a-mouse Hi there. I have a female mouse, one of a pair, who started showing signs of pruritis approximately 1 month ago. She had patches of alopecia over her head, neck and dorsum. The other in the pair was and still is symptom free. I started her on weeklyen-USTelligent Community 10https://www.vetsurgeon.org/thread/234158?ContentTypeID=1Sat, 27 Nov 2021 13:17:14 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:f744da46-5b51-4846-89e8-3f36579fdfebMark Rowland<p>Hello</p> <p>Mice can get sebaceous gland hyperplasia which can result in the lesions you are seeing. Irritants can cause it so check for exposure. The strain of mouse can be involved too. grossly they have the appearance of wart like lesions.</p> <p></p> <p>Goodluck, Mark</p><div style="clear:both;"></div>