Can Sun Exposure Cause Any Problem After Applying Fucidin H?

MY SON WHO IS 8 TYRS OLS HAS BEEN SUFFRING FROM ITCHY LEGS FOR MONTHS N WAS PRESCRIBED ELECOM FOR ONE WEEK. DUE TO STEROID CONTAIN I DIDNT I APPLY FOR MORE THAN 5 DAYS. NOW ANOTHER DR HAS PRESCRIBED FUCIDIN H FOR 10 DAYS , TWICE A DAY WHICH HAS LESS STEROIDS. IS IT OK TO EXPOSE HI LEGS TO SUN AFTER THE APPLICATION OF THIS CREAM? ALSO IS IT SAFE TO USE FOR 10 DAYS. PLS ENLIGHTEM ME . TX