Question

in a patient with known history of allergy to contrast medium, the chance of getting reaction in subsequent injection is increased by ......fold.

Answer 1

Though allergic reactions have been documented in ancient Greek and Roman history, the modern era of the study of allergies really began in the 1800’s when hay fever was described by Dr. John Bostock in 1819. This continues to be one of the most common allergic reactions, affecting approximately 15 million people in the United States.

In 1869 the first skin test for allergies was described when a scientist placed pollen into a small cut in the skin and watched for a reaction.

The concept of immunotherapy, which is building up the immune system through the administration of injections to help people cope with their allergies, was introduced in 1914.

Answer 2

Symptoms of Allergy

Explanation:

• Allergies, also known as allergic diseases, are various conditions caused by hypersensitivity of the immune system to ordinarily dangerous substances in the earth
• These ailments incorporate feed fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis
• The antibodies will make cells in the body produce histamines
• These histamines will follow up on various zones of the body (eyes, throat, nose, gastrointestinal tract, skin or lungs) to create side effects of a hypersensitive response