hi welcome to HCM
-basing on your complaints i would come up with two possibilities.
1.the first one is,FURNCULOSIS.
2.second possibility is,FUNCTIONAL DYSPEPSIA;
i advise you taking Homeopathic
medicines gives safe and permanent cure for your complaints
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you