When a dog is sick the most distressing thing for parents is that when a dog is sick, we must first understand the cause of the dog so that we can help the dog in time. For Bichonexternal otitis is also a relatively common disease for dogs, and other dogs may also suffer from this disease, so our parents also It can be understood, then how should the dog be diagnosed and treated after otitis externa?

Pathological Analysis

1. The cause of the disease. Mechanical injury and bacterial, fungal, and parasitic infections are several important causes of otitis externa. Mechanical injuries include trauma to the external auditory canal and irritation and damage caused by foreign objects falling into the external auditory canal. Infection may be the result of a variety of factors. For example, mechanical damage to the external auditory canal, excessive accumulation of earwax, and inadvertent influx of bath water into the auditory canal due to excessive moisture and overheating are common causes. Atopic dermatitis, seborrheic dermatitis can also be secondary to otitis externa.

2. Clinical symptoms. It is characterized by loss of appetite, frequent shaking of his head or scratching his ears, resulting in scratches, abrasions, hemorrhages or hematomas on the ear shells. Depression of the ear in one ear. In the early stage, the ear shell and the external ear canal are swollen and swollen, the ear canal is red and swollen, and the pain is sensitive. There is a lot of dirt in the ear canal or there is exudate on the surface of the external auditory canal. In severe cases, the ear canal is extremely swollen, and the epithelium is ulcerated. Chromopurulent otorrhea. Otorrhea fluid adheres to the coat at the base of the ear. After a long-term illness becomes chronic, the ear shell is red, swollen and ulcerated due to scratching, the ear secretions are thick, the subcutaneous tissue of the ear canal is proliferated, the ear canal is narrowed, narrowed or even completely blocked, and the hearing loss is reduced.

Diagnosis

1. Take medical history. Such as a sudden onset of one ear, desperately scratching the ear, a foreign object falls into the ear, and whether there is water flowing into the ear when taking a bath.

2. Local inspection. Check the type of secretions from the ear shell and the external orifice of the ear canal, the size of the ear canal lumen, and the changes in the inner membrane and periosteum of the ear canal.

Prevention

1. With the improvement of people's material living standards, there are many people walking on the street with dogs in their spare time, In order to prevent the occurrence of otitis externa in dogs, be sure not to let foreign objects fall into the ear when you are happy. At the same time try to avoid external injury.

2. Regularly deworm and pay attention to hygiene, but when bathing, block the dog's ears with two pieces of suitable cotton to prevent water from flowing into the ears and causing otitis externa.

Treatment

1. Clean the ear canal. Rinse with 0.1% selenium at 37-38°C, let the liquid that enters the ear canal flow out or suck out, and rinse repeatedly until the periosteum can be clearly seen with an otoscope. Small tweezers can be used for large pieces of earwax that cannot be flushed out. take out.

2. Topical medication. Rinse the ear canal and apply antibiotic ointment and prednisone ointment deeply into the ear canal. For fungal otitis externa, apply antifungal ointment, such as dakenin ointment, deep into the ear canal until the ear scales disappear.