21 CFR § 522.784Chapter I

§ 522.784 Doxylamine.

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Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

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Specifications.(a) Each milliliter contains 11.36 milligrams (mg) of doxylamine succinate.

Sponsor.(b) See No. 000061 in § 510.600(c) of this chapter.

Conditions of useAmountHorses:(c) —(1) —(i) Administer 25 mg per hundred pounds of body weight by intramuscular, subcutaneous, or slow intravenous injection.

Dogs and cats:(ii) Administer 0.5 to 1 mg per pound of body weight by intramuscular or subcutaneous injection. Doses may be repeated at 8 to 12 hours, if necessary, to produce desired effect.

Indications for use.(2) For use in conditions in which antihistaminic therapy may be expected to alleviate some signs of disease in horses, dogs, and cats.

Limitations.(3) Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[79 FR 16187, Mar. 25, 2014]

eCFR data current as of: June 10, 2026

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