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6,400 (with chickenpox) [5] Shingles, also known as herpes zoster, is a viral disease characterized by a painful skin rash with blisters in a localized area. [2][6] Typically the rash occurs in a single, wide mark either on the left or right side of the body or face. [1] Two to four days before the rash occurs there may be tingling or local ...
16,900 (2015) [ 8 ] Cellulitis is usually [ 9 ] a bacterial infection involving the inner layers of the skin. [ 1 ] It specifically affects the dermis and subcutaneous fat. [ 1 ] Signs and symptoms include an area of redness which increases in size over a few days. [ 1 ] The borders of the area of redness are generally not sharp and the skin ...
Leprosy, also known as Hansen's disease (HD), is a long-term infection by the bacteria Mycobacterium leprae or Mycobacterium lepromatosis. [ 4 ][ 7 ] Infection can lead to damage of the nerves, respiratory tract, skin, and eyes. [ 4 ] This nerve damage may result in a lack of ability to feel pain, which can lead to the loss of parts of a person ...
If you've ever had shingles, you know just how painful they can be. What begins as an itchy, burning or tingling sensation on the skin can quickly turn into a painful, blistering rash days later ...
Postherpetic neuralgia. burning or stabbing pain, pain doesn't end after the shingles subsides. Postherpetic neuralgia (PHN) is neuropathic pain that occurs due to damage to a peripheral nerve caused by the reactivation of the varicella zoster virus (herpes zoster, also known as shingles). PHN is defined as pain in a dermatomal distribution ...
Specialty. Dermatology, immunology. Allergic contact dermatitis (ACD) is a form of contact dermatitis that is the manifestation of an allergic response caused by contact with a substance; the other type being irritant contact dermatitis (ICD). Although less common than ICD, ACD is accepted to be the most prevalent form of immunotoxicity found ...
Actinic keratosis. Not to be confused with Seborrheic keratosis. Actinic keratosis (AK), sometimes called solar keratosis or senile keratosis, [ 1 ][ 2 ] is a pre-cancerous [ 3 ] area of thick, scaly, or crusty skin. [ 4 ][ 5 ] Actinic keratosis is a disorder (-osis) of epidermal keratinocytes that is induced by ultraviolet (UV) light exposure ...
Four million per year [ 12 ][ 13 ] Pneumonia is an inflammatory condition of the lung primarily affecting the small air sacs known as alveoli. [ 3 ][ 14 ] Symptoms typically include some combination of productive or dry cough, chest pain, fever, and difficulty breathing. [ 15 ] The severity of the condition is variable.