How to cure my somatization due to anxiety?

Counseling. Need for medication will depend on your symptoms, certainly, counseling is more effective when combined with medical therapy as well. Bu it is a very goos first step.
Somatic Symptoms. Misunderstood body symptoms can lead to panic / anxiety. In addition, anxiety or depression can include physical, unexplained symptoms. Given that a physician has first cleared the bill of health, the task is 'allowing' the symptom to 'be' and then reducing doctor visits or other usual responses. It is also important to understand the 'functions' of the symptoms in order to break their cycle.