question: Dear Doc,More than 6 months ago I got treated for scabies. all the rashes and marks on my body were gone except for those on my scrotum.a month after treatment, itching and the bumps on the sac reappearred. now from couple of days ago I have identified another bump with black dot in the centre. when touched or pressed I can feel the pain and it is on the penis.Kindly help me understand why I am facing this kind of problems near my sex organ when I never indulged in sexual activities till date.Also suggest me my immediate course of action.Thanks a lot.