Changes during menstruation or puberty can trigger inflammation in sweat-prone areas.
There are a few specific conditions associated with blocked sweat glands, depending on where they are and how deep they go: sweat gland blocked
If you are dealing with a mild blockage or heat rash, you can usually treat it at home. Do not try to pop or squeeze the bump. This can force the sweat deeper and cause a serious infection. sweat gland blocked