HealthIntell Articles
Explore recent HealthIntell articles, condition explainers, and FAQ guides. To browse by health topic, visit Conditions.
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Causes of Stevens-Johnson syndrome
Stevens-Johnson syndrome is caused by an abnormal immune reaction, most often triggered by a medication and less commonly by an infection or other medical stressor. The disorder develops when the immune system mistakenly identifies…
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Causes of Squamous cell carcinoma of the skin
Squamous cell carcinoma of the skin develops when the squamous cells in the epidermis acquire genetic damage that allows them to grow and divide in an uncontrolled way. The most important cause is cumulative…
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Causes of Scabies
Scabies is caused by infestation with a tiny parasitic mite, Sarcoptes scabiei , which burrows into the outer layer of the skin and triggers an inflammatory response. In practical terms, the condition develops when…
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Causes of Rubella
Rubella is caused by infection with the rubella virus, an enveloped RNA virus in the genus Rubivirus . In practical terms, the condition develops when the virus enters the body, replicates in the upper…
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Causes of Rosacea
Rosacea develops when the skin’s normal vascular, immune, and inflammatory controls become overly reactive, leading to persistent redness, flushing, visible blood vessels, and in some cases papules, pustules, and thickening of the skin. In…
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Causes of Psoriasis
Psoriasis is caused by an abnormal immune-driven acceleration of skin cell production, usually arising in people with a genetic predisposition and then triggered or amplified by environmental and physiological stressors. It is not simply…
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Causes of Seborrheic dermatitis
What causes seborrheic dermatitis? It develops when several biological processes converge: increased activity of skin yeast that normally live on the body, an abnormal inflammatory response to those organisms or their byproducts, and changes…