Problem with high notes

Hello everybody!
When i want to play scales like with the "is the lah-ah" and get to higher notes like E4-F4 ( im a bass - low bariton ) my voice goes into a kind of "head voice" and my throat get dry and hurt a bit.
any sugesstion?
When i want to play scales like with the "is the lah-ah" and get to higher notes like E4-F4 ( im a bass - low bariton ) my voice goes into a kind of "head voice" and my throat get dry and hurt a bit.
any sugesstion?
Comments
Peace, Tony