The German Cancer Research Center said that swollen lymph nodes under the armpit have many causes, some of which are simple and some are serious.
Increased immune activity
The center explained that swollen lymph nodes under the armpit often indicate increased activity of the immune system to resist a bacterial or viral infection. Because lymph nodes are an important part of the immune system.
Swollen lymph nodes under the armpit may also occur after receiving vaccination against the Coronavirus.
The center added that swollen lymph nodes under the armpit may also be due to a serious cause such as lymph node cancer or breast cancer in women.
doctor consultation
Therefore, the center stressed the need to consult a doctor if swelling of the lymph nodes under the armpit occurs suddenly and severely or if it continues over several weeks.
You should also consult a doctor if swollen lymph nodes under the armpit are accompanied by other symptoms such as fever, night sweats, and unexplained weight loss.