Albumin is an important protein produced by the liver and is in large quantities in blood plasma. It helps maintain blood in its normal state. Normal canine range is 2.3–3.1 g/dL, feline is 2.8–3.9 g/dL. Albumin levels can become high when your pet is dehydrated and become low due to illness. Liver problems can reduce the levels of albumin produced. Albumin can be lost in the intestines and the kidneys.
If there is a severe drop in level (hypoalbuminemia), to less than 2 g/dL, your pet may have swelling in the body as fluids shift. You may see swelling in a leg, the belly and other body cavities. If it leaks into the lungs your pet may have difficulty breathing and may have a cough. Albumin partners with globulin and the two are measured as total protein.
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