Hello and hope you are doing well.
Your symptoms could be due to Vocal abuse, which is due to excessive talking, throat clearing, coughing, inhaling irritants, smoking, screaming, or yelling. Vocal misuse is improper voice usage such as speaking too loudly or at an abnormally high or low pitch. Frequent vocal abuse can cause temporary or permanent changes in vocal function, voice quality, and possible loss of voice. This can be diagnosed by a throat examination.
Other structural abnormalities like vocal nodules, vocal polyp and sometimes contact ulcers on the vocal cords need to be ruled out with further investigations.
Hope this helped and do keep us posted.
Thanks for the advice, appreciate it
Listen to the doc for a diagnosis, and in the meantime Google "functional dysphonia" for some info.