'Prickly heat' or 'heat rash' is characterised by the presence of tiny, red, itchy spots on the skin, usually brought on in hot, sweaty conditions. Prickly heat is often accompanied by aggravating, ...

The NHS has dispensed vital advice concerning a symptom that tends to become more widespread in warm weather. Despite being generally harmless and self-resolving, the skin condition can cause ...

Some causes of underarm rash include infection, allergic reaction, and inflammation. Itchy, inflammatory, bacterial, or fungal rashes in your armpit can be mild or severe, short-lived or chronic.