Blocked: Sweat Ducts

Most cases are not serious and resolve on their own once the skin is cooled. Prickly Heat | Cedars-Sinai

Diagnosis is primarily clinical, based on the visual appearance of the rash and the patient’s history regarding heat exposure or sweating. blocked sweat ducts

The primary culprit behind this epidermal prison is heat and humidity. In tropical climates or during summer heatwaves, the body produces sweat faster than the ducts can discharge it. Infants are particularly vulnerable because their sweat ducts are not fully developed, which explains why prickly heat is a near-universal experience of babyhood. Adults are not immune; athletes, individuals confined to bed rest with fevers, and those wearing occlusive clothing or heavy creams are prime candidates. Furthermore, certain medications, such as bethanechol or clonidine, can increase sweat production or ductal obstruction, turning a routine medication into a dermatological nuisance. Most cases are not serious and resolve on

The prognosis for blocked sweat ducts is excellent. In most cases, the condition resolves spontaneously within 24 to 48 hours once the trigger (heat/humidity) is removed. Recurrence is possible with repeated heat exposure. In tropical climates or during summer heatwaves, the