Hello. We took my daughter's elderly female guinea pig to the vet after we noticed some hair loss and her scratching and biting her hind quarters. We have got some Ivermectin to treat her with for possible mites. I'm just wondering if there is a recommended shampoo or bath treatment we could use while the Ivermectin is taking effect to alleviate the itching and perhaps moisturise her skin a bit? Any help would be gratefully received. Thank you.