Michael Bevington, outlines the various symptoms and diagnostic methodologies related to Electromagnetic Hypersensitivity ...

Type 4 hypersensitivity reactions are cell-mediated, meaning they do not involve antibodies. Examples of type 4 reactions are allergic contact dermatitis and delayed reaction to drugs . Takeaway ...

The first step a doctor may take to diagnose type 1 hypersensitivity is assessing the person’s history, including taking information on signs and symptoms and reviewing their medical records.

Experts classify DRESS syndrome as a type 4 hypersensitivity reaction. It is a serious drug reaction affecting the skin and other organs, with a mortality rate of up to 10%.

Symptoms linked to electromagnetic hypersensitivity usually aren’t serious. But call 911 or get medical help right away if you have fast heart rate, trouble breathing, or you throw up.

Your signs and symptoms will depend on the type of allergy you have. You may also react differently to the same allergen at different times. Symptoms of a food allergy may include: [3] ...

You may get symptoms like shortness of breath, tiredness, coughing, and weight loss that slowly get worse. This kind of hypersensitivity pneumonitis can lead to permanent lung scarring. Treatment ...

DRESS is classified as a type IV (delayed) hypersensitivity reaction, mediated by T-cell activation and the expansion and release of cytokines after antigen presentation by cells or direct T-cell ...