Some very subtle and sophisticated references to sex. Not vulgar or inappropriate, however.

Both of the main characters are abusive to others and to one another. This can be disturbing, but it is played for comedic effect in this comedy.

None whatsoever.

Mild wine drinking throughout.

It is implied that some of the characters are drunk throughout at one point.

The way that Katherina beats up her little sister is brief though mildly disturbing.

Petruchio treats Katherina unkindly and even somewhat cruelly at times in order to "tame" her, but everything is okay in the end.