Section 520.2345a - Tetracycline capsules(a)Specifications. Each capsule contains 50, 100, 125, 250, or 500 milligrams (mg) tetracycline hydrochloride.(b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.(c)Conditions of use in dogs - (1)Amount. 25 mg per pound of body weight per day in divided doses every 6 hours.(2)Indications for use. For treatment of infections caused by organisms sensitive to tetracycline hydrochloride, such as bacterial gastroenteritis due to E.coli and urinary tract infections due to Staphylococcus spp. and E. coli.(3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. 70 FR 50182 , Aug. 26, 2005, as amended at 73 FR 18442 , Apr. 4, 2008; 79 FR 28831 , May 20, 2014