A03BB: Belladonna alkaloids, semisynthetic, quaternary ammonium compounds

A03BB Belladonna alkaloids, semisynthetic, quaternary ammonium compounds is part of the WHO ATC classification system and belongs to A Alimentary Tract and Metabolism > A03 Drugs for Functional Gastrointestinal Disorders > A03B Belladonna and Derivatives, Plain. This chemical subgroup page helps users identify more specific classifications and related active ingredients associated with this ATC code. It also includes 6 related active ingredients, supporting deeper navigation across ingredient-level pages. Use this page to explore the ATC hierarchy, review connected groups, and find relevant ingredient pages within Pharmassive.