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Anaphylactoid reaction, non-immune anaphylaxis, or pseudoanaphylaxis, is a type of anaphylaxis that does not involve an allergic reaction but is due to direct mast cell degranulation. [ 10 ] [ 42 ] Non-immune anaphylaxis is the current term, as of 2018, used by the World Allergy Organization [ 42 ] with some recommending that the old ...
Also, shellfish allergy is the most common cause of anaphylaxis in adults and adolescents particularly in East Asian countries like Hong Kong, Taiwan, Singapore, and Thailand. [93] Individuals in East Asia have further developed an allergy to rice, which forms a large part of their diet. [98]
Anaphylaxis, swelling, sometimes flatulence and vomiting An allergic individual may not have any reaction to consuming food only prepared with egg yolk and not egg white, or vice versa. [10] Due to high protein content, egg white allergy is more common than the reverse. [11] The majority of children with this allergy become tolerant by ...
There is a wide range of allergies—some can cause more minor symptoms like a runny nose, while others can lead to severe and potentially life-threatening reactions like anaphylaxis.
Substances that come into contact with the skin, such as latex, are also common causes of allergic reactions, known as contact dermatitis or eczema. [29] Skin allergies frequently cause rashes, or swelling and inflammation within the skin, in what is known as a "weal and flare" reaction characteristic of hives and angioedema. [30]
AGS can cause a range of symptoms: mild ones like a rash or hives, or more severe ones such as difficulty breathing, and even anaphylaxis, says infectious disease expert Amesh A. Adalja, M.D ...
Other common causes of serious allergy are wasp, [8] fire ant [9] and bee stings, [10] penicillin, [11] and latex. [12] An extremely serious form of an allergic reaction is called anaphylaxis .
A severe allergic reaction may come with a hive-like rash, swelling and inflammation of the bite area and swelling around the eyes, the Mayo Clinic says. Bee and wasp stings What they look like: