StacksVerified U.S. regulatory reference

21 CFR §520.1409

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Specifications. Each tablet contains 0.5 milligram of methylprednisolone and 300 milligrams of aspirin.
  2. (b)Sponsor. See No. 054771 in § 510.600(c) of this chapter.
  3. (c)Conditions of use in dogs—(1) Amount. Under 15 pounds, 1/4 to 1 tablet daily; 15 to 60 pounds, 1 to 2 tablets daily; 60 pounds and over, 2 tablets daily. Administer total daily dose in divided doses 6 to 10 hours apart, with a light feeding. When response is attained, dosage should be gradually reduced until maintenance level is achieved.
    1. (2)Indications for use. As an anti-inflammatory and analgesic agent.
    2. (3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.