axillary lymphadenopathy

Can swollen lymph nodes in the armpit be a sign of infection?

1. Introduction Swollen lymph nodes in the armpit, clinically known as axillary lymphadenopathy, are a definitive and common sign of infection, serving as a primary indicator of an active immunological response. Lymph nodes are tiny, bean-shaped structures packed tightly with specialized white blood cells. When bacteria, viruses, or foreign antigens invade the body—particularly in the … Read more

What Does It Mean If Your Armpits Swell and Feel Painful to the Touch?

1. Introduction A painful and swollen armpit typically indicates axillary lymphadenopathy, a condition where the lymph nodes in the axilla become enlarged and tender. This swelling is most frequently a robust immune response to a localized infection in the arm, breast, or upper respiratory tract. The pain upon palpation is a key clinical indicator of … Read more