Steven Tyler smashed his face during a "nasty fall" in a hotel shower ... knocking out several teeth ... this according to multiple reports out of Paraguay.
Tyler -- who was scheduled to perform in Paraguay with Aerosmith tonight -- was reportedly rushed to a nearby hospital.
A rep for the venue where the band was supposed to perform tells TMZ ... tonight's concert has been canceled.
No comment so far from Tyler's rep.
Story developing ...
Reportedly Injured After
Slipping in Hotel Shower
10/25/2011 2:17 PM PDT BY TMZ STAFF
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