Are You Confident of the Diagnosis? What to be alert for in the history IRRITANT CONTACT DERMATITIS The most common history for those developing ICD to plants is direct exposure, often prolonged, with plants containing irritants. Often, fissuring or dermatitis will develop on fingertips/fingers as the hands are most commonly in contact. Dryness, fissures, scaling,…
Are You Confident of the Diagnosis? What you should be alert for in the history Patients with putative allergic reactions to devices or implants will present with a history of exposure to metals with prior sensitivity. This may take the form of an allergic reaction to a body piercing or watch/belt buckle and/or difficulties with…
Preservatives are ubiquitous in many chemicals and toiletries and are a common cause of acute and chronic allergic contact dermatitis. In one series, up to 50% of patch-tested individuals had at least one reaction to at least one preservative. Formaldehyde Rarely used in topical personal care products, many industrial or workplace exposures Formaldehyde-releasing agents The…
