What Causes Sore Throat,ear Pain And Swollen Glands Under The Jaw Line?

I have clavullin and broke out into a million dots, they thought i was allergic to penacillin, since then i ve been tired ( that was a month ago) i had a sore throat and ear hurt and had more antibiotics, i now have no cold of flu symptoms, but my glands under my jaw line are swollen, sore throat and harder to breath a little and odd feeling in my groin from time to time, every once and awhile i ll feel a dull pain in my abdomin. i have a blood test done and i suspect mono