1. Regulations
  2. title 21
  3. chapter I-i4
  4. part 338
  5. subpart B
  6. § 338.10

View all text of Subpart B [§ 338.10 - § 338.10]

§ 338.10 - Nighttime sleep-aid active ingredients.

The active ingredient of the product consists of any of the following when used within the dosage limits established for each ingredient in § 338.50(d):

(a) Diphenhydramine hydrochloride.

(b) Diphenhydramine citrate.

AUTHORITY: 21 U.S.C. 321, 351, 352, 353, 355, 360, 371.

SOURCE: 54 FR 6826, Feb. 14, 1989, unless otherwise noted.

CITE AS: 21 CFR 338.10