Sodium Benzoate

Sodium Benzoate in Medications

Sodium Benzoate: A Preservative in Some Medicines

Sodium benzoate is a preservative used to help prevent the growth of microbes in certain formulations.  It is more common in liquids where water is present.

What Is Sodium Benzoate?

Sodium benzoate is a preservative used to help prevent the growth of microbes in certain formulations. It is more common in liquids where water is present.

Why Is Sodium Benzoate Used in Medications?

Sodium Benzoate is used because it:

  • Helps prevent microbial growth in liquid medications
  • Supports shelf-life and product stability
  • Helps maintain product safety during storage

Ingredient Names to Look For

Sodium Benzoate may be listed as:

  • Sodium benzoate
  • Benzoate of soda

Where Does Sodium Benzoate Appear?

It is commonly found in:

  • Oral liquids and syrups
  • Some topical solutions
  • Occasionally in drops (depending on formulation)

How to Check a Medication’s Ingredient List

Inactive ingredients may vary between manufacturers, dosage forms, and strengths.

Use PillParser to scan a medication and view its ingredient list.





Adding the manufacturer filters generics (fillers/dyes often differ).

To keep PillParser free, anonymous scans are limited.

Understanding ingredient differences is especially important for individuals with known sensitivities. RxAllergyScan.com allows users to compare medication ingredients against their personal allergen profile.

Educational Note

This page provides educational information only and does not make medical claims.