Curaseb vs Zymox vs Vetified: Dog Ear Cleaners Compared

Based on peer reviewed veterinary research  ·  For educational purposes only  ·  Updated October 2026  ·  17 min read

Disclosure: Vetified makes the Ear Infection Relief + Cleaner and Dog Ear Cleaning Wipes on this page. We include them alongside other options and list their downsides too, so keep that in mind as you read.

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Curaseb, Zymox, and Vetified are three over-the-counter ear products for dogs that you may have seen while shopping for an ear cleaner. They are marketed for similar problems but work in different ways, which can make the choice confusing.

This comparison breaks down the real differences between these three products based on their active ingredients, mechanisms of action, bottle size, format and best-use scenarios. The goal is to help you choose the right product for your dog's specific situation.

At a Glance: Three-Way Comparison Table

The Fundamental Difference: How Each Product Works

Curaseb and Vetified: Direct antimicrobial approach

Both Curaseb and Vetified use the same core ingredient strategy: ketoconazole (an azole antifungal that, in laboratory research, disrupts yeast cell membrane synthesis) combined with chlorhexidine gluconate (a broad-spectrum antiseptic that acts on bacterial and fungal cell membranes). Both are well-studied antimicrobial agents with established minimum inhibitory concentrations in published research.

In research, direct antimicrobials show dose-dependent activity that does not depend on external factors like substrate availability or activation time. For a deeper dive into how these two ingredients work, see our article on ketoconazole vs. chlorhexidine for dog ears.

Zymox: Enzymatic approach

Zymox's LP3 enzyme system (Lysozyme, Lactoferrin, Lactoperoxidase) takes a fundamentally different path. These enzymes generate antimicrobial compounds by reacting with substrate materials present in infection debris. The advantage is that enzymatic systems do not contribute to antimicrobial resistance. The trade-off is that antimicrobial output is variable and depends on activation conditions. For a thorough analysis, see our detailed Zymox review.

Curaseb vs. Vetified: Since They Use the Same Ingredients

Since Curaseb and Vetified share the same active ingredient approach, the differences come down to practical factors:

Bottle size: Vetified comes in a 12 fl oz bottle and Curaseb in an 8 fl oz bottle. Dogs with chronic problems that need ongoing maintenance go through more product, so bottle size may matter to you.

Availability: Curaseb is widely sold online and in pet retailers. Vetified is sold mainly online.

Bottom line: Because the active ingredient approach is the same, either can be a reasonable option for a mixed yeast and bacterial ear problem. Read both labels and follow the directions for the one you choose.

The right ear cleaner for your dog depends on the type of infection, its severity, and whether you need ongoing maintenance.

Photo by Mikhail Nilov on Pexels

Which Product Should You Choose?

Each product below gets the same three fields. They are listed in the same order as the table, not by preference.

Curaseb

• Good fit for: mild to moderate mixed yeast and bacterial ear problems when you want a dual-action flush.
• Pros: chlorhexidine plus ketoconazole; can be used after cleaning; widely available online and in stores.
• Cons: smaller bottle than Vetified; like the others, it is not a substitute for a vet exam when the ear is painful.

Zymox Otic (HC)

• Good fit for: dogs that will not tolerate ear cleaning before treatment, mild infections, or owners who prefer an enzymatic approach. The HC version includes hydrocortisone for itch.
• Pros: no pre-cleaning step; enzymatic systems are not associated with antimicrobial resistance; small bottle for precise drops.
• Cons: antimicrobial output depends on activation conditions; the HC version contains a steroid, so your vet may limit how long it is used; small bottle volume.

Vetified Ear Infection Relief + Cleaner

• Good fit for: recurring ear problems with dark wax and odor, where your veterinarian has confirmed yeast, bacteria or both and you need a steroid-free flush.
• Pros: chlorhexidine plus ketoconazole in one flush; steroid free; 12 fl oz bottle.
• Cons: sold mainly online; not tested in a published clinical study of its own; you need to follow the label directions and contact time; newer brand than Curaseb or Zymox.

How to Treat a Dog Ear Problem with an Ear Cleaner at Home

Home ear cleaning suits mild buildup and recurring ear problems that a veterinarian has already diagnosed. See a vet first if the ear is painful, swollen, or your dog has a head tilt.

1. Choose a cleaner that fits the problem. Pick a product made for the problem you are seeing, such as a medicated cleaner for odor and debris, and read the label.
2. Fill the canal. Lift the ear flap and apply enough cleaner to fill the canal, following label directions.
3. Massage and wait. Massage the base of the ear for about 30 seconds so the cleaner can loosen debris.
4. Let your dog shake. Allow a good head shake, then wipe away what comes out of the outer ear with gauze.
5. Keep to a schedule. Repeat as the label directs and keep the ears dry between cleanings.
6. Final step: With consistent care, mild ear problems typically start to improve within about one to two weeks. See your veterinarian if the ear stays red, smelly or painful.

Frequently Asked Questions

Q: Is Curaseb basically the same as Vetified?

Curaseb and Vetified use the same core active ingredients (chlorhexidine + ketoconazole), but they differ in bottle size (8 fl oz vs. 12 fl oz) and in their other ingredients. The active ingredient approach is comparable, but you should read each label for directions.

Q: Why is Zymox so much smaller than Curaseb and Vetified?

Zymox Otic is formulated as drops rather than a flush, so it is dispensed in smaller amounts per application. The small bottle is designed for precise, drop-by-drop application rather than canal flooding.

Q: Can I switch between these products if one is not working?

Yes. Since these products use different mechanisms (enzymatic vs. direct antimicrobial), switching from one approach to the other is reasonable if the first is not producing results. There are no interaction concerns. If switching from Zymox (no pre-cleaning) to Curaseb or Vetified, clean the ears before starting the new product. If neither OTC approach resolves the infection within 10 to 14 days, see your veterinarian.

Q: Which product should I use for a first-time ear infection?

For a first-time ear infection, we recommend seeing a veterinarian first for proper diagnosis through ear cytology. Once you know whether the infection is yeast, bacterial, or mixed, you can choose the appropriate product. If your vet confirms a mixed infection (the most common scenario), a chlorhexidine plus ketoconazole flush such as Curaseb or Vetified may be appropriate. Ask your vet which product fits your dog.

Related Reading

• Best Ear Cleaners for Dogs with Chronic Infections
• Zymox Ear Cleaner: How It Works and When to Consider Alternatives
• Ketoconazole vs Chlorhexidine for Dog Ears
• Best Medicated Dog Ear Wash for Yeast and Bacteria
• How Often to Clean Dog Ears During an Ear Infection
• Dog Ear Infection Recovery Timeline
• Recurring Dog Ear Infections

E. Maddens

Founder of Vetified. Develops topical antifungal and antimicrobial formulations for companion animals. Vetified medicated products are OTC veterinary drugs listed on DailyMed (not FDA approved) and are made in a compliant facility.