Subpart B. Subpart B—Active Ingredients

• § 341.12 - Antihistamine active ingredients.
• § 341.14 - Antitussive active ingredients.
• § 341.16 - Bronchodilator active ingredients.
• § 341.18 - Expectorant active ingredient.
• § 341.20 - Nasal decongestant active ingredients.
• § 341.40 - Permitted combinations of active ingredients.