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.
One or more of the following symptoms indicate the deterioration of kidney function: 1  Itching. 2  Nausea, vomiting and loss of appetite. 3  Swollen ankles. 4  Tiredness and fatigue. 5  Muscle cramps. 6  Change in urine volume, (there can be an increase or decrease in the amount of urine passed daily) 7  Shortness of breath. 8  Sleep disturbance.