---
kind: "section"
citation: "21 C.F.R. § 520.1696a"
title: "21"
number: "520.1696a"
heading: "Penicillin G powder."
url: "https://uscodex.org/cfr/21/520.1696a"
---

# §520.1696a. Penicillin G powder.

- (a) **Specifications.** Each gram of powder contains penicillin G potassium equivalent to 1.54 million units of penicillin G.
- (b) **Sponsors.** See Nos. 016592, 042791, 054771, 061133, and 076475 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Related tolerances.** See [§ 556.510](/cfr/21/556.510.md) of this chapter.
- (d) **Conditions of use in turkeys—**
  - (1) **Amount.** 1,500,000 units per gallon drinking water for 5 days.
  - (2) **Indications for use.** Treatment of erysipelas caused by Erysipelothrix rhusiopathiae.
  - (3) **Limitations.** Discontinue treatment at least 1 day prior to slaughter. Not for use in turkeys producing eggs for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

## Notes

### Amendments

[57 FR 37326, Aug. 18, 1992, as amended at 59 FR 42493, Aug. 18, 1994; 60 FR 26359, May 17, 1995; 62 FR 55160, Oct. 23, 1997; 65 FR 10705, Feb. 29, 2000; 66 FR 14073, Mar. 9, 2001; 68 FR 4914, Jan. 31, 2003; 68 FR 26204, May 15, 2003; 69 FR 9946, Mar. 3, 2004; 69 FR 41428, July 9, 2004; 77 FR 20988, Apr. 9, 2012; 78 FR 28825, May 20, 2014; 81 FR 22523, Apr. 18, 2016; 81 FR 36789, June 8, 2016; 81 FR 94990, Dec. 27, 2016; 84 FR 8973, Mar. 13, 2019. Redesignated at 85 FR 18119, Apr. 1, 2020, as amended at 86 FR 57997, Oct. 20, 2021]

### Authority

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

### Source

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

### Amendments

[57 FR 37326, Aug. 18, 1992, as amended at 59 FR 42493, Aug. 18, 1994; 60 FR 26359, May 17, 1995; 62 FR 55160, Oct. 23, 1997; 65 FR 10705, Feb. 29, 2000; 66 FR 14073, Mar. 9, 2001; 68 FR 4914, Jan. 31, 2003; 68 FR 26204, May 15, 2003; 69 FR 9946, Mar. 3, 2004; 69 FR 41428, July 9, 2004; 77 FR 20988, Apr. 9, 2012; 78 FR 28825, May 20, 2014; 81 FR 22523, Apr. 18, 2016; 81 FR 36789, June 8, 2016; 81 FR 94990, Dec. 27, 2016; 84 FR 8973, Mar. 13, 2019. Redesignated at 85 FR 18119, Apr. 1, 2020, as amended at 86 FR 57997, Oct. 20, 2021]