An armpit lump—or axillary lump—can occur as a symptom of many conditions that range from harmless to serious. It is often the result of an enlarged lymph node. Many armpit lumps appear and then go ...

Excessive sweating under the armpits, also called axillary hyperhidrosis (AH), is a common condition that is usually not serious but can be aggravating to those affected. Finding ways to stop sweaty ...