PetCareRX. Please consider this story before you purchase anything from this website. On Monday my vet diagnosed my new 8 week old puppy with a skin issue that may be mange. She suggested Revolution. I went to PetCareRx, submitted and submitted my order Monday afternoon. Tuesday morning the fax from PCR was at my vet for authorizaton for the medication. My vet faxed it back immediately. I paid ALOT extra for 2 day shipping because I have other animals and this condition might be contagious and it needed prompt attention. PCR did not ship my... read full review »