All statistics for Contact dermatitis
Prevalence/Incidence of Contact dermatitis: Online Medical Books
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for more information about the prevalence and/or incidence of Contact dermatitis.
Dermatitis:
Causes and incidence
(Professional Guide to Diseases (Eighth Edition))
The cause of atopic dermatitis is unknown, but a genetic predisposition may be exacerbated by such factors as food allergies, infections, irritating chemicals, temperature and humidity, and emotions. Approximately 10% of childhood cases are due to allergy to certain foods, particularly eggs, peanuts, milk, fish, soy, and wheat. Atopic dermatitis tends to flare up in response to extremes in temperature and humidity. Other causes of flare-ups are sweating and psychological stress.
An important secondary cause of atopic dermatitis is irritation, which seems to change the epidermal structure, allowing immunoglobulin (Ig) E activity to increase. Consequently, chronic skin irritation usually continues even after exposure to the allergen has ended or after the irritation has been systemically controlled.
Atopic dermatitis is most common in infants, usually developing between ages 1 month and 1 year, commonly in those with strong family histories of atopic disease. At least half of those cases clear by age 36 months. These children often acquire other atopic disorders as they grow older. Typically, this form of dermatitis flares and subsides repeatedly before finally resolving during adolescence. However, it can persist into adulthood. In adults, it’s generally chronic or recurring.
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Source: Professional Guide to Diseases (Eighth Edition), 2005
Contact Dermatitis:
Contact Dermatitis - incidence
(The 5-Minute Pediatric Consult)
The incidence of contact dermatitis in children is not known.
Contact Dermatitis - prevalence
- The prevalence of allergic contact dermatitis increases with age.
- Contact dermatitis can occur at any age but is relatively uncommon in infants.
- Infants are more likely to develop an irritant contact dermatitis.
- In children, the overall prevalence of allergic contact dermatitis is ~20%.
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Source: The 5-Minute Pediatric Consult, 2008
About prevalence and incidence statistics:
The term 'prevalence' of Contact dermatitis usually refers to the estimated population
of people who are managing Contact dermatitis at any given time.
The term 'incidence' of Contact dermatitis refers to the annual diagnosis rate,
or the number of new cases of Contact dermatitis diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.
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