Hello Friend, Good that you are seeking a help here. All your symptoms are sign of anxiety. Anxiety is not just a mental disturbance, but it also affects physical health conditions like stomach pain, constipation, dizzy feeling, nervousness, lack of interest, appetite and many more. Best solution is to work on the emotional balance first . You may need a guidance of psychology counselor to figure out the reason for your anxiety and possible solutions. Reach out to locally or feel free to reach out to me online through Practo app for a convenient time to discuss in detail..