Common problems in children are Hernia, Hydrocoele, Phimosis, Undescended testis, Hypospadias, Hydronephrosis (swelling on the kidney), etcCommon problems in children are Hernia, Hydrocoele, Phimosis, Undescended testis, Hypospadias, Hydronephrosis (swelling on the kidney), etcCommon problems in children are Hernia, Hydrocoele, Phimosis, Undescended testis, Hypospadias, Hydronephrosis (swelling on the kidney), etcCommon problems in children are Hernia, Hydrocoele, Phimosis, Undescended testis, Hypospadias, Hydronephrosis (swelling on the kidney), etc