This may be due to a hernia called a fluid hernia or it may be due to another kind of hernia called an inguinal hernia. These hernias are not dangerous in any way and as you correctly mantion neither of these hernias causes any pain. Please take him to see your paediatrician so that a diagnosis can be made and your son can be referred to the correct specialist if this is required.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.