Hello,
Since when have you been experiencing the symptoms?
There are many reasons for repeated thoughts. Transient repetitive worrisome thoughts occur when one is in crisis or stress... When the symptoms are more severe or long standing, this can be due to anxiety disorders, depression, OCD or body dysmorphic disorder.
More detailed evaluation is needed to treat your symptom
And yes, it's treatable
Next Steps
please consult with a Psychiatrist ASAP for detailed evaluation
Health Tips
1)identify any stressful situation or lifestyle habits that are contributing to you thoughts
2)try to de-stress yourself and stay calm
3)take professional help.
good luck