The first thing to say is that you are not alone if you feel in distress regarding your career. You are not the first and you won't be the last.
The second is that if you feel things are in an unsustainable situation or that your health is deteriorating you must seek help. YES - seek help.
A trusted colleague is often the best but if that feels as if you are letting the side down or risking anything - then the following could be considered.
Visit to GP
Visit to Occupational Health
Start taking care of yourself better ( fit in a weekly yoga class if you can or an art class or similar)
Obtain our eworkbook "easy career change good career choice"
It is far better to take these steps than
go off sick ( though that may sometimes be needed - though its best taken under the umbrella of a supportive clinical consultation as you may not take long enough to recover otherwise)
to resign prematurely or out of desperation ( there is a place for resignation but it is so much better done under controlled conditions rather than knee jerk)
At Medical Forum we have an occupational health consultant who works for us and who can provide a half hour phone consultation in complete privacy and confidentiality. So if there is no OH where you work or you don't feel comfortable going to see your GP/local OH you can still access some OH support.