Yes this can happen and some children really have a difficult time before their molar teeeth come through. It does seem that your son's molar teeth are ready to come through but are just taking a long time to do so.
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.