Talk to Pediatrician on Psychiatric Issue With Child

Assalaam u alaikum wa rahmat ullahi wa barakatuhu. My son age 6 was absolutely normal and days ago his behavior suddenly changed for no apparent obvious reason that we can think of is that due to closure of classes due to coronaa lockdown,he's probably is that he's become over is all the time weeping and says that he will only share his feelings and fears with his was mobile crazy and used to watch mobile all the now he is afraid of mobile YouTube etc and says that when advertisements etc come they get fixed in my brain memory and my brain is overoccupied and I can't get the memories out of my also keeps asking questions about very old times like cricketers and cricket records of decades ago even century ago and he's learnt too much old information by he's gained too much information more than he can tolerate in also complains about pressure slight has stopped enjoying