Using mild cleansers, wearing soft fabrics and managing stress can also reduce flare-ups. Heat rash occurs when sweat becomes trapped under the skin, leading to irritation and tiny, itchy bumps.

This sounds like prickly heat. It develops when the ducts from sweat ... This causes inflammation, and the raised, itchy red rash you describe. In more severe cases blisters also develop.

A foot rash can occur due to an allergic reaction or infection. A person can treat some rashes, such as athlete’s foot and contact dermatitis, with over-the-counter (OTC) medications.

A new study suggests the prevalence of extreme heat in Australia's cities is being under-reported. Temperatures above 35 degrees Celsius were far more common across parts of Greater Sydney than ...