Chickenpox is a ‘vesicular’ rash, meaning it shows up as fluid-filled spots that burst.

HSV-1 infections are classically described as vesicular lesions on an erythematous base, but other lesions can mimic HSV infections (Raborn & Grace, 1999). The differential diagnosis of HSV ...

HSV and varicella zoster virus (VZV) are common pathogens of skin and mucous membranes and the CNS. Their rapid and accurate diagnosis is essential for their treatment as well as infection control.

Contact dermatitis is a common cause of a rash in one area. This is especially true of a small rash that will not go away. Contact dermatitis usually starts as raised red spots. It can change to ...

The allergic reaction typically occurs one to two days after exposure. The reaction causes a rash that can continue to be seen for weeks after the allergen is removed. There are four hypersensitivity ...