Since its introduction, isotretinoin has been reported to cause psychiatric problems or irritable bowel disease. Because different studies over the past 35 years do not support these claims dermatologists should not hesitate to prescribe this medication for their acne patients.
Because rosacea is an inflammatory disease there is scientific rationale for a possible association between it and other inflammatory diseases. A recent study demonstrates that rosacea patients have a greater percentage of gastrointestinal disorders than do controls and should be evaluated further if they present with GI symptoms. In such cases a systematic approach to the treatment of both conditions may be warranted.
New recommendations for infant exposure to peanuts to prevent peanut allergy address something many pediatricians have long suspected: Early exposure to peanuts, even in infants that have eczema, could prevent development of peanut allergy.
A revised and updated set of criteria and treatment recommendations establishes a phenotype approach to diagnosing and classifying rosacea. This approach marks a transition from treating rosacea patients according to subtype. Global representation may identify research needed to determine whether rosacea is a global condition.