weigh in. Be weighed; also, be of a particular weight. For example, Because it was such a small plane, the passengers and their luggage had to weigh in before takeoff , or The fish weighed in at 18 pounds. [Late 1800s] See also: weigh.
Asthma and allergic diseases, such as allergic rhinitis (hay fever), food allergy, and atopic dermatitis (eczema), are common for all age groups in the United States.
An individual's genetic make-up helps determine what they are allergic to and the severity of their allergies. Allergic reactions can be mild or deadly. Mild reactions include itching, rash, and hives. More serious reactions involve swelling of lips, tongue, and difficulty breathing that can lead to death.Allergic reactions are different from common side effects of many drugs such as a headache or stomach upset.ny drug or a component in a drug can case an allergic reaction. Penicillin and related drugs, sulfa drugs, insulin, and iodine commonly cause allergic reactions. Sometimes it is a component or substances used for packaging or administering the drug that causes the allergy.