Search results
Results from the WOW.Com Content Network
Anaphylaxis is diagnosed on the basis of a person's signs and symptoms. [3] When any one of the following three occurs within minutes or hours of exposure to an allergen there is a high likelihood of anaphylaxis: [3] Involvement of the skin or mucosal tissue plus either respiratory difficulty or a low blood pressure causing symptoms
Approximately 25% of the population will have a strong allergic response to urushiol. In general, approximately 80–90% of adults will develop a rash if they are exposed to 0.0050 mg (7.7 × 10 −5 gr) of purified urushiol, but some people are so sensitive that it takes only a molecular trace on the skin to initiate an allergic reaction. [59]
This histamine will act on different areas of the body (eyes, throat, nose, gastrointestinal tract, skin or lungs) to produce symptoms of an allergic reaction. The allergic response is not limited to a certain amount of exposure. If the body is exposed to the allergen multiple times the immune system will react every time the allergen is present.
Today, oral immunotherapy and skin patches can desensitize children to allergens, reducing the risk of severe reactions. Still, Gupta said, many Asian American families she sees remain unaware of ...
What it looks like: Actinic keratoses are pre-cancerous changes to the skin caused by sun damage, explains Dr. Zeichner. “The rash feels like sandpaper when you run your fingers over it.”
Different types of skin and blood testing are available, depending on your symptoms and medical history. “Getting allergy testing helps you recognize your triggers and learn what specific ...
In very rare cases one may develop a full blown allergic reaction. Physicians who perform skin test always have equipment and medications available in case an anaphylaxis reaction occurs. This is the main reason why people should not get skin testing performed at corner stores or by people who have no medical training. [citation needed]
The treatment of immediate hypersensitivity reactions includes the management of anaphylaxis with intramuscular adrenaline (epinephrine), oxygen, intravenous (IV) antihistamine, support blood pressure with IV fluids, avoid latex gloves and equipment in patients who are allergic, and surgical procedures such as tracheotomy if there is severe ...