Types of Kidney Stones. Occasionally, high levels of chemicals in the urine form into crystals. Eventually these crystals become large enough to form stones in the kidney, a condition called nephrolithiasis. Stones (calculi) may also form in the ureter or the bladder.
Ear infections usually begin with inflammation of the outer ear canal, caused by bacteria or yeast. But, ear infections in dogs can be caused by food allergies, parasites, foreign bodies, trauma, excess moisture in the ear or hereditary conditions. If you think your dog has an ear infection, take him to the vet for treatment. Then learn how to prevent ear infections and properly clean your dog's ears.
Symptoms of Dog Ear Infections. Ear canals are very sensitive, so the symptoms of infection are often clear, including: head shaking; odors; scaly skin; whining and pawing at the affected ear; dark, smelly discharge; redness and swelling; itchiness ; What Causes Ear Infections in Dogs? The structure of the canine ear canal, which is more vertical than that of humans and has an L shape, that tends to hold in fluid. This makes dogs prone to ear problems. Some of the most common causes include: bacteria; yeast/fungus (aspergillosis)