allergen. 1. a substance, protein or nonprotein, capable of inducing allergy or specific hypersensitivity. 2. a purified protein of a food (such as milk, eggs, or wheat), bacterium, or pollen. adj., adj allergenÂ´ic. Allergens are used to test a patient for hypersensitivity to specific substances (see skin test).. an extract of any substance known to cause allergy. Allergens are used to test a patient for hypersensitivity to specific substances (see skin test). They are also used to densensitize or hyposensitize allergic individuals. See immunotherapy. Almost any substance in the environment can be an allergen.
The prognosis of Kidney stones may include the duration of Kidney stones, chances of complications of Kidney stones, probable outcomes, prospects for recovery, recovery period for Kidney stones, survival rates, death rates, and other outcome possibilities in the overall prognosis of Kidney stones.
If your signs and symptoms suggest that you have acute kidney failure, your doctor may recommend certain tests and procedures to verify your diagnosis. These may include: 1  Urine output measurements. 2  The amount of urine you excrete in a day may help your doctor determine the cause of your kidney failure. 3  Urine tests. 4  Analyzing a sample of your urine, a procedure called urinalysis, may reveal abnormalities that suggest kidney failure. 5  Blood tests.