[header] How to groom a difficult dog [title] Choose a medication or calming aid. [step] There are a variety of products you can use to help calm your dog down for grooming. Some are medications that your vet would prescribe. 
Others are herbal supplements you can buy over-the-counter, though they should not be used without consulting the vet first. Some common medications and calming aids include : [substeps] Benadryl melatonin acepromazine thundershirt [title] Ask your veterinarian about calming aids.