Device, instrument to not hear. Somthn!

I am really frustrated with the noise of people or the words which enter in my ears...  I am suffering from shortness of breath, constant headache, heavy head, panic disorder, depression anxiety, psychosis, auditory hallucination, unstoppable thinking etc. it all started 2 years before when one after one incidents made me go into depression under the regular consumption of ganja. now my life is when i hear people saying something it seems that they are talking about me, when people comment something i go back in past memories which hurted me, sound troubles my brain a lot, So the thing is i dont want to hear a single noise in my ears because it damages my brain, i am in fear of going out because i dont want to hear a single noise... please doctor i am frustrated with noise, noise , noise , voices, people talking and i hate everyone voice which goes in my ears...noise damages my brain and i am not able to recover through my mental illness..Please suggest me a device, earplug or somthn