my daughter is 10 yrs old,35 kgs.she is suffering from stomach pain on either side since last one month.she was treated with digene,superspas,cyclopam,colimax,metal spas,norflox and deworming twice.But no relief. The pain comes & goes and the duration is 2-3 hours.she has a vomiting sensation &is also vomiting since last few days.Her blood ,esr,stool ,urine tests are normal.Her USG done twice is also normal.BUT PAIN PERSISTS OFF & ON.Please advice.