None.

There are a few intense scenes with violence and gore.

In the first ten minutes of the film there is a graphic scene of the blood after a girl slits her wrist (action not shown), and then bloody bandages in an ambulance scene.

There are a few dreams and flashbacks where there is a bloodied carcass of a deceased man in later scenes.

The words "damn", "shit", and "hell" are used frequently.

There is one middle finger half way through the film.

No F-word or worse profanity.

There are scenes of excessive drinking and inebriation. Also a scene of drunk driving.

There are multiple scenes of smoking.

No other drugs are used in the film.

There are some frightening and intense flashback and surreal scenes of a car accident and a dead body.