StacksVerified U.S. regulatory reference

21 CFR §520.852

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Specifications. Each tablet contains 1 milligram (mg) estriol.
  2. (b)Sponsor. See No. 000061 in § 510.600(c) of this chapter.
  3. (c)Conditions of use in dogs—(1) Amount. Administer at an initial dose of 2 mg per dog per day. The dosage may be titrated to as low as 0.5 mg per dog every second day, depending on response.
    1. (2)Indications for use. For the control of estrogen-responsive urinary incontinence in ovariohysterectomized female dogs.
    2. (3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.