Preservatives, Pharmaceutical

**Definition:** Substances added to pharmaceutical preparations to protect them from chemical change or microbial action. They include ANTI-BACTERIAL AGENTS and antioxidants.

**Tree numbers:** - D26.650.702 - D27.720.744.771

**Synonyms:** - Pharmaceutical Preservatives - Pharmaceutical Preservative - Preservative, Pharmaceutical - Pharmaceutic Preservatives - Preservatives, Pharmaceutic - Pharmaceutic Preservative - Preservative, Pharmaceutic - Pharmaceutic Aids (Preservatives)