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Bleeding can result from this combination of high internal pressure and vessel wall weakness. Such hemorrhages are often microscopic in size, causing limited damage and few significant symptoms. Even many nonsymptomatic AVMs show evidence of past bleeding. But massive hemorrhages can occur if the physical stresses caused by extremely high blood pressure , rapid blood flow rates, and vessel wall weakness are great enough. If a large enough volume of blood escapes from a ruptured AVM into the surrounding brain, the result can be a catastrophic stroke . AVMs account for approximately 2 percent of all hemorrhagic strokes that occur each year.
These drugs are strong and effective painkillers and anti-inflammatory agents. They are prescription products and because of their potential side effects, careful adherence to dosing quantity and frequency must be followed. The manufacturers recommend periodic blood work to be done on animals that are being treated with these products to monitor any developing liver problems or other complications resulting from their use. Any NSAID should not be used with aspirin, corticosteroids, or other NSAIDs. Acetaminophen (Tylenol®) and ibuprofen have many more potentially serious side effects and are not recommended for use in dogs without very careful veterinary supervision. NSAIDs can be safely used with products containing glucosamine or chondroitin. Although there are health risks associated with using NSAIDs in dogs, especially if not used according to directions or the animal has other health problems, you can reduce the possibility of these risks by taking the following actions: