Debacterol
Debacterol
What is Debacterol?
Debacterol (sulfuric acid and phenol solution) is a prescription topical medication used to treat canker sores (aphthous ulcers) and certain oral mucosal lesions. Applied directly by a healthcare professional, Debacterol helps seal the sore, reduce pain quickly, and promote faster healing.
Side Effects
- Burning or stinging sensation at the application site
- Temporary increase in pain post-application
Warnings
- Avoid contact with eyes, as it may cause severe irritation or damage.
- Do not ingest; intended for topical use only.
Prescription savings · · · ·
What is Debacterol ?
Debacterol (sulfuric acid and phenol solution) is a prescription topical medication used to treat canker sores (aphthous ulcers) and certain oral mucosal lesions. Applied directly by a healthcare professional, Debacterol helps seal the sore, reduce pain quickly, and promote faster healing.
- Burning or stinging sensation at the application site
- Temporary increase in pain post-application
- Avoid contact with eyes, as it may cause severe irritation or damage.
- Do not ingest; intended for topical use only.
Debacterol Coupons & Prices
Debacterol
Debacterol is a single-use, professionally applied topical treatment for canker sores (recurrent aphthous stomatitis), and if your dentist or clinician has recommended it, an Rx.com debacterol coupon can help you compare pricing before you pick up the product — enter your ZIP above to see today's price.
What Is Debacterol and How Does It Work
Debacterol (made by Epien Medical, Inc.) is a topical solution containing 50% sulfonated phenolics and 30% sulfuric acid (phenolsulfonic acid), classified as a tissue denaturant — essentially a caustic, escharotic agent used to chemically debride the surface of an oral ulcer. There is no generic version of this exact formulation.
It is intended for single-application use on ulcerating lesions of the mouth, primarily canker sores, and is typically applied directly to the sore by a dentist or other clinician for about 5 to 10 seconds and then rinsed away with water. By denaturing the damaged tissue on the ulcer's surface, it relieves pain almost immediately after rinsing. It is not intended for viral, vesicular lesions such as cold sores or fever blisters.
Saving on Debacterol
Debacterol does not have a manufacturer copay or savings card program. Because it's typically supplied and applied in a dental or medical office rather than picked up like a routine prescription, pricing can vary by provider and by pharmacy if you're given a take-home applicator. Enter your ZIP above to see today's price and compare it against what your office charges.
Prices for OTC and specialty topical products like this one vary by location and supplier, so it's worth comparing before you pay out of pocket.
How Debacterol Compares to Other Canker Sore Treatments
Debacterol works differently than most over-the-counter canker sore products. Rather than chemically debriding the ulcer in one clinical application, options like Orajel and Kank-A use topical anesthetics such as benzocaine to numb pain temporarily, and amlexanox paste is applied repeatedly over several days to help lesions heal faster. Triamcinolone acetonide dental paste is a prescription corticosteroid paste used to reduce inflammation in oral lesions over the course of treatment, also applied over multiple days rather than once.
Debacterol's single-application, in-office approach makes it a different category of product from these self-applied, multi-day options — ask your dentist or clinician which approach fits your situation.
Safety Information
Debacterol is a caustic solution meant for precise, professional, single-use application only. It must be applied directly to the ulcer and kept off surrounding healthy mucosa, lips, teeth, and skin, since contact with healthy tissue can cause a chemical burn. A brief stinging or burning sensation on application is expected and is typically followed by rapid pain relief once the area is rinsed with water. It is not for ingestion or eye contact; keep it away from the eyes.
Per its FDA/DailyMed label, Debacterol has not been found by the FDA to be safe and effective and is marketed as an unapproved drug under a grandfathered OTC status. This is not medical advice — talk with your dentist or healthcare provider about whether Debacterol is appropriate for your canker sore.
This Debacterol information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.
Verify the official label: Debacterol on DailyMed (FDA)
Reviewed against FDA labeling · Last reviewed July 2026
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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.