<s>[INST] I have a small very tiny bead like thing in my left armpit it kind of hard but I cannot see it from the surface of the skin I can just feel it.  It hurts when I touch it. And keeps hurting if I have touched it a whole lot. Cannot tell whether it moves or not. [/INST] Hi,It seems that you might be having enlarged lymph nodes in armpit.nothing to worry, due to some chronic infection in armpit or surrounding part can give rise enlarge lymph node.Ok and take care. </s>