StacksVerified U.S. regulatory reference

21 CFR §520.1310

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Specifications. Each tablet or chewable tablet contains 25, 50, 100, or 200 milligrams (mg) marbofloxacin.
  2. (b)Sponsors. See sponsors in § 510.600(c) of this chapter for use as in paragraph (d) of this section:
    1. (1)Nos. 017033, 054771, and 086117 for use of tablets.
    2. (2)No. 086101 for use of chewable tablets.
  3. (c)[Reserved]
  4. (d)Conditions of use—(1) Amount. 1.25 mg per pound (/lb) of body weight once daily, but may be increased to 2.5 mg/lb of body weight once daily.
    1. (2)Indications for use. For the treatment of infections in dogs and cats associated with bacteria susceptible to marbofloxacin.
    2. (3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. Federal law prohibits the extralabel use of this drug in food-producing animals.