Welcome to Healthcare Magic,
doesn’t cause leg pain, or very rarely, possible his leg pain occurs due to high fever
, leak of minerals. If after massage the pain will not subside and will last one- two more day, you need ask for assistance. Big concern for you must be following signs and symptoms as a side effect of Augmentin : skin rash
or itching, nausea, vomiting, diarrhea, stomach pain, swelling of lips, face , throat, tongue, difficulty breathing
, hives, dark color urine, jaundice. There possible another side effects of Augmentin, but above mentioned are most frequently.
I wish your son good luck and speedy recovery.
Hope this helps and I have answered your query. If you have additional queries don’t hesitate to ask.