21. It is known for causing contact dermatitis . 17 have been noted to cause dermatitis. 22. It was voted Allergen of the Year in 2003 by the American Contact Dermatitis Society. 23. It was voted Allergen of the Year in 2006 by the American Contact Dermatitis Society. 24. The difference between the test and the allergic contact dermatitis in almost all sensitized individuals. 25. This led to the first histopathological demonstration that contact dermatitis is due to sensitized lymphocytes. 26. It turned out to be just contact dermatitis , a garden-variety rash, Dr . Smith said. 27. Physical irritant contact dermatitis may most commonly be caused by low humidity from air conditioning. 28. PPD was voted Allergen of the Year in 2006 by the American Contact Dermatitis Society. 29. The medical term for the rash is contact dermatitis . 30. The most common injuries were either damage or deformity of the fingernail or contact dermatitis .