Forget gluing and putting larger screws into the door these are only temporary fixes trust me.
Door handle fell off.
When dealing with a lever door handle fixing the problem will require only the most basic of tools and about 10 minutes of time.
The house door handle will continue to come off even after putting the handle back on.
The best way in my opinion is to insert wall plugs into the holes the screws were pulled out of for a strong tight and permanent fix.
There are many ways to fix a door handle that fell off but there is one way that always works.
15 to 30 minutes this video will guide you through the process of repairing replacing or tightening your door handles at your home.
Over time a house door handle can come loose and come off.
Levers handles slide onto a rod assembly with a set screw.
Typically the problem is the result of a missing or loose screw in the house door plate.
The locking mechanism on the house door handle might fail to properly open and latch the door.