What Causes Pain Under Armpit?
Following are some possible underlying factors for pain in underarms. • Armpits are very sensitive regions. The formation of cyst or skin rash in the armpit may result in pain. • There are muscles present in the upper arm. Pulling or overstretching of one of them may cause pain. The pain may further radiate down to the armpit. • The same can happen with the muscles of the rib cage. Thus, this can be one of the armpit pain causes. Read more on muscle pain. • Axillary lymph nodes are situated in the armpit. Swelling of these lymph nodes, either from cancerous or non-cancerous conditions, causes pain under armpit. Know more on the causes of swollen lymph nodes • Occurrence of lymphadenitis in the underarms is another common armpit pain cause and is nothing but the inflammation of lymph nodes. • Muscles present in the armpit may get strained or pulled. This causes mild to sharp pain under armpit. This pain is known as axillary myalgic pain. • Brachial plexus is the nerve network that provi
