please help burning throat for months now

please can anyone help i take pregabalin and mirtazapine and started venlafaxine in may shortly after i got a burning sensation going up my throat went to docs got given lansoprazole didn’t help then switched to pantoprazole i stopped the venlafaxine after 6 weeks as i thought that was the cause but it’s not i’ve had an endoscopy and it’s all clear i have a burning thoat at the bottom every day no matter what i eat or drink i don’t know what else to do could it be my mirtazapine or pregabalin causing it ive also quit my job as i thought maybe it was stress but it’s persisting :( been since may now