---
kind: "section"
citation: "21 C.F.R. § 520.2345e"
title: "21"
number: "520.2345e"
heading: "Tetracycline solution."
url: "https://uscodex.org/cfr/21/520.2345e"
---

# §520.2345e. Tetracycline solution.

- (a) **Specifications.** Each milliliter contains the equivalent of either 25 or 100 milligrams of tetracycline hydrochloride.
- (b) **Sponsor.** See No. 054771 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Conditions of use—**
  - (1) **Dogs—**
    - (i) **Amount.** 25 milligrams per pound of body weight per day in divided doses every 6 hours.
    - (ii) **Indications for use.** Treatment of infections caused by organisms sensitive to tetracycline hydrochloride, such as bacterial gastroenteritis due to Escherichia coli and urinary tract infections due to Staphylococcus spp. and E. coli.
    - (iii) **Limitations.** Administer orally; continue treatment until symptoms have subsided and the temperature is normal for 48 hours; not for use in animals which are raised for food production; Federal law restricts this drug to use by or on the order of a licensed veterinarian.
  - (2) **Dogs and cats—**
    - (i) **Amount.** 25 milligrams per pound of body weight per day in divided doses every 6 hours.
    - (ii) **Indications for use.** Treatment of infections caused by organisms susceptible to tetracycline hydrochloride, such as bacterial gastroenteritis due to E. coli and urinary tract infections due to Staphylococcus spp. and E. coli.
    - (iii) **Limitations.** Administer orally; continue treatment until the temperature has been normal for 48 hours; not for use in food-producing animals; Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[57 FR 37329, Aug. 18, 1992, as amended at 79 FR 28831, May 20, 2014]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13838, Mar. 27, 1975, unless otherwise noted.

### Amendments

[57 FR 37329, Aug. 18, 1992, as amended at 79 FR 28831, May 20, 2014]