While povidone-iodine, commonly known as iodine solution, can be used for cleaning and disinfecting, it's not effective at eliminating ear mites in dogs. Therefore, it's crucial to explore other treatment options to address this issue effectively. Using povidone-iodine can help clean the area, but it won't kill the mites themselves. For optimal results, focus on using solutions that directly target ear mites. The primary role of povidone-iodine is as a topical antiseptic, effective against many bacteria, some fungi, and certain viruses. However, it doesn't kill ear mites that may be living in a dog's ear canal. If your dog is struggling with ear mites, it's important to avoid haphazard treatment. Instead, consider the following appropriate actions to help your dog get rid of ear mites.

Povidone-iodine, as a solution, is often found in home first-aid kits for its antiseptic properties. This makes it useful for minor cuts and scrapes, but remember that ear mites are a parasite and thus it needs targeted treatment. So using it as a cleaner before using the real treatment for the mites is perfectly fine, but it should not be used as a full treatment alone. The iodine is just a step to take, not a solution itself.
How to Handle Ear Mite Infections in Dogs
Ear mites are contagious, so if one dog in your household gets them, it's important to isolate them from other cats and dogs. A separate cage is ideal to prevent the spread of the mites. Thoroughly disinfect areas the affected dog frequents, such as floors, with appropriate cleaning agents, and wash and sanitize the dog's belongings. Proper hygiene can drastically reduce the spread of ear mites and keep your household clean.
The correct approach involves cleaning the outer ear canal and visible areas first with a cotton swab soaked in ear cleaning solution. This removes black debris or discharge and allows for better penetration of medication. After cleaning, apply a veterinarian-recommended, pet-specific ear mite treatment. After applying, gently hold the dog's ear closed, then release, allowing the dog to shake out any remaining solution and debris. This helps the medication reach the affected areas and is a more comfortable approach for your pet. Make sure that you are using a specialized dog ear cleaning solution, instead of using human products.