Pharmaceutic Aids

**Definition:** Substances which are of little or no therapeutic value, but are necessary in the manufacture, compounding, storage, etc., of pharmaceutical preparations or drug dosage forms. They include SOLVENTS, diluting agents, and suspending agents, and emulsifying agents. Also, ANTIOXIDANTS; PRESERVATIVES, PHARMACEUTICAL; COLORING AGENTS; FLAVORING AGENTS; VEHICLES; EXCIPIENTS; OINTMENT BASES.

**Tree numbers:** - D26.650 - D27.720.744

**Synonyms:** - Aids, Pharmaceutic - Aids, Pharmaceutical - Pharmaceutical Aids