Dog Ear Infections: How Easotic Works, How to Use It & How It Compares to Otomax and Surolan

Dog Ear Infections: Why They Happen and How Easotic Treats Them

Ear infections are one of the most common reasons dogs end up at the vet. If your dog is shaking their head, scratching at their ears, or you’ve noticed a foul smell or discharge, they likely have otitis externa — an infection of the outer ear canal. This guide explains what causes it, how Easotic works to treat it, and how it compares to other popular ear medications.

What is Otitis Externa?

Otitis externa is inflammation and infection of the external ear canal. In dogs, it’s almost always caused by a combination of:

• Bacteria — most commonly Staphylococcus pseudintermedius
• Yeast — most commonly Malassezia pachydermatis

These organisms naturally live on your dog’s skin in small numbers. But when conditions change — due to allergies, moisture, anatomical factors like floppy ears, or a weakened immune system — they overgrow and cause infection.

Signs Your Dog Has an Ear Infection

• Head shaking or tilting
• Scratching or pawing at the ears
• Redness and swelling of the ear canal
• Brown, yellow, or bloody discharge
• Foul or yeasty odour from the ears
• Pain when the ear is touched
• Crusting or scabs around the ear opening

Which Dogs Are Most Prone?

Breeds with floppy ears, narrow ear canals, or heavy hair growth in the ears are at higher risk. These include Cocker Spaniels, Basset Hounds, Labrador Retrievers, Golden Retrievers, Bulldogs, Shar-Peis, and Poodles. Dogs that swim frequently or have underlying allergies (atopic dermatitis, food allergies) are also more susceptible.

What is Easotic?

Easotic is a prescription ear drop suspension for dogs manufactured by Virbac. It’s a triple-combination medication containing:

• Gentamicin sulfate (1,505 IU/ml) — aminoglycoside antibiotic that kills bacteria
• Miconazole nitrate (15.1 mg/ml) — imidazole antifungal that destroys yeast
• Hydrocortisone aceponate / HCA (1.11 mg/ml) — potent anti-inflammatory steroid that reduces swelling, redness, and itching

What sets Easotic apart from other ear drops is its unique pump delivery system and the use of hydrocortisone aceponate (HCA), a next-generation steroid that is 60 times more lipophilic than standard hydrocortisone. This means it penetrates deeply into the ear canal skin for maximum local effect while being rapidly inactivated once it enters the bloodstream — resulting in fewer steroid side effects.

You can buy Easotic 10ml at PetShopBoss.com with worldwide shipping.

How to Use Easotic – Step by Step

Easotic is refreshingly simple to use compared to other ear medications:

1. Clean the ear — Gently clean and dry the external ear canal. Trim excess hair if needed
2. Shake the bottle well
3. Prime the pump (first use only) — press the pump 1–2 times to fill the cannula
4. Insert the soft nozzle into the ear canal
5. Press the pump once — this delivers exactly 1ml
6. Massage the base of the ear gently
7. Repeat once daily for 5 days

That’s it. One pump, one ear, once a day, for five days. The same dose for every dog regardless of size — no weight calculations, no counting drops.

How Fast Does Easotic Work?

Most owners notice improvement within 2–3 days. The full 5-day course should always be completed even if symptoms improve earlier.

One of Easotic’s standout features is its persistent activity: the antimicrobial and anti-inflammatory effects continue for 7–10 days after the last application. This means even though you only treat for 5 days, the medication continues working for nearly two weeks total.

Easotic vs Otomax vs Surolan – Comparison

These are the three most commonly prescribed combination ear drops for dogs. Here’s how they compare:

Key takeaway: Easotic offers the shortest treatment course (5 days vs 7–14), the longest-lasting persistent effect, the safest steroid profile (HCA), and the most convenient dosing system. Its main limitation is that it’s licensed for dogs only, while Surolan can also be used in cats.

Side Effects of Easotic

Easotic is generally well tolerated. Potential side effects include:

• Mild local irritation at the application site
• Hearing loss or vestibular signs (head tilt, loss of balance) — rare, but requires immediate discontinuation if observed
• Prolonged use beyond the 5-day course may cause adrenal suppression (a systemic steroid effect)

Critical Safety Warning: The Eardrum

Easotic must never be used if the eardrum (tympanic membrane) is perforated or suspected to be damaged. Your veterinarian should examine the eardrum with an otoscope before prescribing Easotic.

If Easotic is applied through a ruptured eardrum, the gentamicin can reach the middle and inner ear, potentially causing permanent hearing loss or balance problems (ototoxicity). This is the most serious risk associated with any gentamicin-containing ear product.

Prevention: Keeping Your Dog’s Ears Healthy

Once the infection is cleared, prevention is key to avoiding recurrence:

• Dry ears thoroughly after swimming or bathing
• Regular gentle cleaning with a vet-approved ear cleaner (weekly for prone breeds)
• Address underlying allergies — atopic dermatitis and food allergies are the most common root causes of recurrent ear infections
• Trim excess hair around the ear canal to improve airflow
• Regular vet check-ups — catch early signs before they become full infections

Where to Buy Easotic Online

You can purchase genuine Virbac Easotic (10ml) from PetShopBoss.com with worldwide delivery.

Always have your dog’s ears examined by a veterinarian before starting treatment. Confirming the eardrum is intact is essential for safe use of Easotic.