Section 529.539 - Dexmedetomidine(a)Specifications. Each milliliter of gel contains 0.09 milligrams (mg) dexmedetomidine (equivalent to 0.1 mg dexmedetomidine hydrochloride).(b)Sponsor. See No. 052483 in § 510.600(c) of this chapter.(c)Conditions of use -(1)Amount. Administer onto the oral mucosa between the dog's cheek and gum at a dose of 125 micrograms per square meter.(2)Indications for use. For the treatment of noise aversion in dogs.(3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. 81 FR 17608 , Mar. 30, 2016