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Mosquito bite allergies are informally classified as 1) the skeeter syndrome, i.e., severe local skin reactions sometimes associated with low-grade fever; 2) systemic reactions that range from high-grade fever, lymphadenopathy, abdominal pain, and/or diarrhea to, very rarely, life-threatening symptoms of anaphylaxis; and 3) severe and often ...
The Skeeter syndrome should not be confused with another type of reactivity to mosquito bites, severe mosquito bite allergy (SMBA). SMBA is most often an Epstein-Barr virus-associated lymphoproliferative disease that complicates ~33% of individuals with chronic active Epstein-Barr virus infection or, in extremely rare cases, individuals with Epstein-Barr virus-positive Hodgkin disease or an ...
What they look like: Chiggers, a type of small mite, typically leave clusters of bites that are often very itchy. In many cases, chigger bites appear as small, red and itchy bumps. Sometimes, they ...
Name Possible reaction(s) Remarks Balsam of Peru: Redness, swelling, itching, allergic contact dermatitis reactions, stomatitis (inflammation and soreness of the mouth or tongue), cheilitis (inflammation, rash, or painful erosion of the lips, oropharyngeal mucosa, or angles of their mouth), pruritus, hand eczema, generalized or resistant plantar dermatitis, rhinitis, conjunctivitis, and blisters.
Irritant dermatitis is usually confined to the area where the irritating substance actually touched the skin, whereas allergic dermatitis may be more widespread on the skin. Irritant dermatitis is usually found on hands whereas exposed areas of skin. Symptoms of both forms include the following: Red rash: This is the usual reaction. The rash ...
Less frequently, venomous spider bites are also associated with morbidity and mortality in humans. Most arthropod stings involve Hymenoptera (ants, wasps, and bees). While the majority of Hymenoptera stings are locally painful, their associated venom rarely cause toxic reactions unless victims receive many stings at once.
After locating a bird, the parasite penetrates through the skin (usually the feet), dropping the forked tail in the process. Inside the circulatory system, the immature worms ( schistosomula ) develop into mature male and female worms, mate and migrate through the host's circulatory system (or nervous system in case of T. regenti ) to the final ...
Although less common than ICD, ACD is accepted to be the most prevalent form of immunotoxicity found in humans. [1] By its allergic nature, this form of contact dermatitis is a hypersensitive reaction that is atypical within the population. The mechanisms by which these reactions occur are complex, with many levels of fine control.