Nighttime sleep-aid active ingredients.

  1. Law
  2. CFR 21
  3. Food and Drugs
  4. Food and Drug Administration, Department of Health and Human Services
  5. Drugs for Human Use
  6. Nighttime Sleep-Aid Drug Products for Over-the-Counter Human Use
  7. Active Ingredients
  8. Nighttime sleep-aid active ingredients.

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§ 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.


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