Hi there,
A detailed medical and psychiatric history is always needed for every case.In addition, a detailed mental status examination is also recommended for every case to come for a diagnosis and management accordingly.
You appear to be suffering from a neurotic illness like GAD or related.
Next Steps
Common Medical disorders have already been excluded.
Health Tips
You need to consult a mental health professional.
You will need medications and may need psychological interventions for your problems.
Early intervention is always better in every case and for better results.
Do take the help of a mental health professional.