Contact Dermatitis
Case Letter
Erythema Multiforme–like Dermatitis Due to Isoniazid Hypersensitivity in a Patient With Psoriasis
Hypersensitivity skin reactions to antituberculosis (TB) drugs are on the rise due to the increasing use of anti–tumor necrosis factor α....
Environmental Dermatology
Botanical Briefs: Phytophotodermatitis Is an Occupational and Recreational Dermatosis in the Limelight
Phytophotodermatitis (PPD) is a toxic reaction resulting from contact with a photosensitizing botanical chemical followed by exposure to solar or...
Case Reports
Erethism Mercurialis and Reactions to Elemental Mercury
Mercury is toxic to the central and peripheral nervous systems, resulting in erethism mercurialis, a constellation of neuropsychologic signs and...
Conference Coverage
Contact dermatitis content varies among social media sites
The hashtag #contactdermatitis is the most used overall, but #AllergicContactDermatitis is more popular among physicians.
Conference Coverage
Check all components in cases of suspected shoe allergy
Approximately 30% of patch tested patients with shoe allergies reacted to supplemental allergens.
Conference Coverage
Contact allergen of the year found in foam in shin guards, footwear
The compound is likely not added intentionally, but is thought to result from reactions between additives during the manufacturing process.
Contact Dermatitis
Contact Dermatitis of the Hands: Is It Irritant or Allergic?
In this column, we will explore irritant contact dermatitis (ICD) and allergic contact dermatitis (ACD) of the hands, including epidemiology,...
Case Letter
Exercise-Induced Vasculitis in a Patient With Negative Ultrasound Venous Reflux Study: A Mimic of Stasis Dermatitis
Exercise-induced vasculitis largely is documented in photographs or by history and may be misdiagnosed as stasis dermatitis due to its clinical...
Photo Challenge
Pink Patches With a Hyperpigmented Rim
A 25-year-old man presented with a rash on the right hand, chest, abdomen, right thigh, and ankles of 2 weeks’ duration. He reported that the...
Environmental Dermatology
What’s Eating You? Black Butterfly (Hylesia nigricans)
We report a case of lepidopterism in a patient with acute cutaneous lesions following exposure to an adult-stage black butterfly (Hylesia...
Case Letter
Testosterone Pellet–Induced Generalized Drug Eruption
Dermatologists should be aware that testosterone pellet implantation can cause dermatitis overlying the implantation site, which can generalize...