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Dogs are exposed to botulism by eating raw meat or dead animals containing botulinum toxin produced by Clostridium botulinum. Botulism causes ascending paralysis of the nervous system. Clinical signs are reviewed as well as diagnostic tests and treatment. Prognosis is guarded depending on the amount of toxin ingested and the degree of supportive care available. There is no vaccine.
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Bowel incontinence is the loss of the ability to control bowel movements. There are two broad causes of fecal incontinence: reservoir incontinence and sphincter incontinence. In reservoir incontinence, intestinal disease interferes with the rectum's ability to store normal volumes of feces. In sphincter incontinence, a structural or neurologic lesion prevents the anal sphincter from closing normally. Clinical signs, diagnostic testing, and treatment vary based on the underlying cause.
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Brachycephalic airway syndrome refers to a particular set of upper airway abnormalities that affect brachycephalic dogs. The most common sign of the condition is mouth breathing and, in the long term, the increased effort associated with breathing can put a strain on the dog’s heart. Surgery is the treatment of choice whenever the anatomical abnormalities interfere with a dog’s breathing.
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Brain injuries are devastating and, unfortunately, often fatal. The typical signs of brain injury in a dog include altered consciousness that may signal bleeding in the skull, decreased blood flow to the brain, or fluid causing swelling within the brain itself. There are many potential causes of brain injury and treatment will always be determined by the underlying problem that led to the injury.
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Brain tumors are generally classified as either primary or secondary. Several studies suggest that the prognosis for a dog with a primary brain tumor may be improved significantly by surgical removal of the tumor, radiation therapy, and/or chemotherapy.
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Bromethalin is a common rodenticide. Dogs are commonly poisoned when they find loose blocks placed for rodent control, or they access the bulk container. Clinical signs can develop as soon as 2 hours after exposure and as long as 5 days after exposure. There is no antidote for bromethalin, so promptly inducing vomiting can be lifesaving. Prognosis is poor to grave if severe clinical signs develop such as seizures, paralysis, or coma. Patients with milder clinical signs may recover after several weeks but may have permanent neurologic damage.
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Bromides are given by mouth and are used off label to treat seizures in dogs. Common side effects include sleepiness, mild vomiting, restlessness, increased or decreased appetite, constipation, increased thirst, and increased urination. Do not use bromides in cats or in pets that are allergic to it. If a negative reaction occurs, please call your veterinary office.
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Brucellosis is a contagious bacterial infection that can cause a number of reproductive problems, including infertility and abortion in breeding dogs. Male dogs infected with brucellosis develop epididymitis, an infection of the testicle. Female dogs infected with brucellosis develop an infection of the uterus. The infection is usually diagnosed by a blood test (rapid slide agglutination test). Treatment with antibiotics is not significantly effective and infected dogs should be removed from the breeding population. In the United States, brucellosis is a reportable disease.
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It is estimated that over 80% of dogs over the age of three have periodontal disease (infection of the tissues surrounding the teeth). Brushing three times a week is the minimum recommendation to help remove plaque and prevent tartar accumulation. To be successful at brushing your dog's teeth, you must make it a positive experience for both of you. Do not use human toothpaste or baking soda. A list of dental products and diets that have been accepted by the Veterinary Oral Health Counsel can be found on www.vohc.org.
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Budesonide is a glucocorticoid (steroid) most often given by mouth in the form of a capsule to treat inflammatory bowel disease off label in dogs and cats. Common side effects include increased appetite, thirst, or urination, as well as lack of energy, weakness, panting, skin and haircoat changes, and weight gain. Do not use this medication in pets allergic to it, and use with caution in pets with gastrointestinal ulcers, diabetes, infection, or cataracts. If a negative reaction occurs, call your veterinary office.