21 CFR 522.820 - Erythromycin.

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There are 3 Updates appearing in the Federal Register for 21 CFR 522. View below or at eCFR (GPOAccess)
§ 522.820 Erythromycin.
(a) Sponsor. See No. 061623 in § 510.600(c) of this chapter.
(b) Specifications—
(1) Each milliliter (mL) of solution contains 100 milligrams (mg) erythromycin base.
(2) Each mL of solution contains 200 mg erythromycin base.
(c) Related tolerances. See § 556.230 of this chapter.
(d) Conditions of use—
(1) Dog. Administer product described in paragraph (b)(1) of this section as follows:
(i) Amount. 3 to 5 mg per pound (/lb) body weight, intramuscularly, two to three times daily, for up to 5 days.
(ii) Indications for use. For the treatment of bacterial pneumonia, upper respiratory infections (tonsillitis, bronchitis, tracheitis, pharyngitis, pleurisy), endometritis and metritis, and bacterial wound infections caused by Staphylococcus spp., Streptococcus spp., and Corynebacterium spp., sensitive to erythromycin.
(iii) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
(2) Cats. Administer product described in paragraph (b)(1) of this section as follows:
(i) Amount. 3 to 5 mg/lb body weight, intramuscularly, two to three times daily, for up to 5 days.
(ii) Indications for use. For the treatment of bacterial pneumonia, upper respiratory infections (rhinitis, bronchitis), secondary infections associated with panleukopenia, and bacterial wound infections caused by Staphylococcus spp. and Streptococcus spp., susceptible to erythromycin.
(iii) Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian.
(3) Cattle. Administer products described in paragraph (b) of this section as follows:
(i) Amount. 4 mg/lb body weight by deep intramuscular injection once daily for up to 5 days.
(ii) Indications for use. For the treatment of bovine respiratory disease (shipping fever complex and bacterial pneumonia) associated with Pasteurella multocida susceptible to erythromycin.
(iii) Limitations. Do not use in female dairy cattle over 20 months of age. Do not slaughter treated animals within 6 days of last treatment. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal. To avoid excess trim, do not slaughter within 21 days of last injection.
[72 FR 69142, Dec. 7, 2007]

Title 21 published on 2014-04-01

The following are only the Rules published in the Federal Register after the published date of Title 21.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-07-31; vol. 79 # 147 - Thursday, July 31, 2014
    1. 79 FR 44277 - New Animal Drugs; Bacitracin Methylene Disalicylate; Dinoprost Solution; Gonadorelin Hydrochloride; Progesterone Intravaginal Inserts; Salinomycin; Ractopamine; Tylosin
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective July 31, 2014.
      21 CFR Parts 520, 522, 529, and 558

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United States Code
U.S. Code: Title 21 - FOOD AND DRUGS

Title 21 published on 2014-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR 522 after this date.

  • 2014-07-31; vol. 79 # 147 - Thursday, July 31, 2014
    1. 79 FR 44277 - New Animal Drugs; Bacitracin Methylene Disalicylate; Dinoprost Solution; Gonadorelin Hydrochloride; Progesterone Intravaginal Inserts; Salinomycin; Ractopamine; Tylosin
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective July 31, 2014.
      21 CFR Parts 520, 522, 529, and 558