The film contains a scene where there is a close up shot of the protagonist cutting his wrist, with some bloodletting shown.

In addition, the film contains a depiction of a bloated corpse with close up shots of maggots crawling on the body.

The film contains a sequence where it is strongly implied that the protagonist is smoking a substance that could be a drug.

However, the substance is not clearly specified as a drug.

Moreover, the after effects he experiences are not typical of drug use.

There are focused shots of him smoking as he hallucinates about his past.