السلام عليكم ورحمة الله وبركاته حفظك الله, ive been going through lots of aqeedah wiswas to the point where I dont study or memorise or even do day to day tasks anymore and its harming my physical health because of how disturbed I am, any advise on what todo?

Ustadh AbdulAziz al-Haqqan

Yes. Go to a trusted Muslim competent psychiatrist.