MRI brain. Scanning s is it harmful?

Prolactin 89.5 , 28f Symptoms - on and off numbness of head left side eyes pain eyes twitching headaches and feverish symptoms Upper back left shoulder blade middle back pain since Nov 2020 (more in the morning while stretching doing work less while lying down) Always feeling heaviness in head Recently identifies milky discharge from breasts 10 days used resiperidone 1 mg on 7th day we notified milky discharge is it due to medication or any tumour related ? Should I undergo MRI brain I had MRI full back spine in 2021 for upper back pain it came out normal Also have swelling near ankle foot no pain No sleep Had history of 3 head ct unecessary (2017,2018 Jan 2) Hrct chest 2020 (ruling out covid but no covid) Chest X-rays 3 for medical screening for other countries I use phone a lot do I get tumour or have and can I take MRI again after these many past scanning s is it harmful?