Ethylcellulose

Ethylcellulose in Medications

Ethylcellulose: A Common Coating and Release-Control Ingredient

Ethylcellulose is often used as a coating material to help control how a medication releases.

It does not treat symptoms.

What Is Ethylcellulose?

Ethylcellulose is a cellulose-derived polymer used in pharmaceutical coatings and controlled-release formulations.

Why Is Ethylcellulose Used in Medications?

It is used because it:

  • Forms protective tablet coatings
  • Helps control release in some formulations
  • Improves moisture protection and stability

Ingredient Names to Look For

It may be listed as:

  • Ethylcellulose
  • Ethyl cellulose
  • Cellulose ethyl ether (rare wording)

Where Does It Appear?

It is commonly found in:

  • Extended-release or controlled-release tablets
  • Film coatings
  • Some capsule bead or pellet formulations

How to Check a Medication’s Ingredient List

Coatings and release-control ingredients vary by manufacturer and dosage form.

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



Type a brand (Advil) or generic (Ibuprofen). We’ll find the label details.

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.