Cefixime and Clav- Has practically no rational. Primary because Cefixime is relatively stable against B-lactamase. Hence adding Clav to this combination is a worthless addition.
Cefixime is considered a first line treatment, along with azithromycin, for epididymytis and orchitis, two typically bacterial conditions found in the scrotum. Since these two conditions travel...
I can't tell you scientifically, but I've taken ampicillin, which has the same, a little bit milder side effects than amoxicillin. and I've also taken cefixime, and cefixime had NO side effects on me...