good morning Sandra:

just wanted to let you know that every time, and every place i have ever had an iv i get the lump you are talking about. (arms, hands, even foot) in my case a clot forms. i have a "condition" where my blood clots too easily. (factor 5 leiden, protein S activity, and something else, {sorry, brain fog} my mother has been tested for the same thing and comes up negative, however she gets the same lumps/clots whenever she has an i.v.
maybe your doctor could check your clotting factor. moist heat on the area, and 80mg aspirin would probably help.

hope you get some relief soon.

's and prayers