Do you have water in the ear? Then simply follow the video and you are fast again.
1. hold the head with the affected ear up and keep it level
2. Fill the affected ear completely with lukewarm water
3. keep the water in the ear for at least 20 seconds
4. drain the affected ear with a swing
5. and then dry inside with a towel as much as possible
if necessary do it again
Is still water in the ear, even on the next day, please go to the doctor