Learn how to identify and treat a muscle strain that leads to armpit pain. Get to know how to gauge severity and recovery timelines.

Pain can be throbbing, aching, or sharp, and it can be occasional or constant. It all depends on what’s causing the pain. The uncomfortable sensation is a red flag, though, a warning to you that ...

Pain under the left armpit may result from muscle damage or swollen lymph nodes due to an infection. However, it can also indicate a more serious problem, such as cancer or angina. The armpit is a ...

Brain Function Research Unit, School of Physiology, University of the Witwatersrand, Johannesburg, South Africa L Loram, School of Physiology, University of the Witwatersrand, 7 York Road, Parktown, ...