Hello Friend, Good that you are seeking a help here. As body and mind are interlinked, any emotional disturbance like anxiety can influence physical condition like disgesion issues, acidity, nervousness, headaches, palpitations, sleeplessness etc. In your case probably your anxiety is creating such distress. Better take a professional psychology guidance  to first assess your both mental and physical conditions to identify or isolated the reason for your anxiety. This will help you identify the non medicine treatment plan like changes in your lifestyle, dietary changes, self therapy or excersise. Feel free to call me or reach online through Practo for further detailed evaluation and suitable recommendations.

Relax your IQ CAN'T come down due to medicine.. I think you are not properly diagnosed Consult with me or any psychologist for proper screening and diagnosis for effective resolution All the best Take help.

I feel, you are Confused between various reasons and unable to find out what is your problem... It is better to consult a psychologist for more clarity.