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- The Pace That Kills (a.k.a. Cocaine Fiends) (1935). Cocaine.
- Paid in Full (2002). Cocaine, crack and cannabis.
- The Palermo Connection (1991). All drugs referred to.
- The Panic in Needle Park (1971). Heroin.
- Papillon (1973). Cocaine (Coca Leaves).
- Party Monster (2003). Crack/cocaine, heroin, MDMA, LSD, Ketamine.
- Pathology (2008). Methamphetamine.
- PCU (1994). Cannabis.
- Performance (1970). Psychedelic mushrooms.
- Permanent Midnight (1998). Heroin and cocaine.
- Pimp (2010). Cannabis, Crack/Cocaine, (Heroin, referred to).
- Pineapple Express (2008). Cannabis. Oxycodone referred to.
- PiƱero (2001). Heroin, Cannabis, Cocaine.
- Pink Cadillac (1989). Methamphetamine.
- Pirates of Silicon Valley (1999). Cannabis, LSD.
- Platoon (1986). Cannabis, and opium.
- Platoon Leader (1988). Heroin.
- Playing God (1997) Fentanyl, Morphine and Amphetamines.
- Polvere (2009). Cocaine.
- Poltergeist (1982). Cannabis.
- Possession (1981). Psilocybin mushrooms.
- Pot Zombies (2005). Cannabis
- Prayer of the Rollerboys (1990). Fictional drug "mist".
- The Principles of Lust (2003). Cannabis, cocaine, MDMA, Ayahuasca (Yage), pills.
- The Professional (1994). Cocaine.
- Project X (2012) Ecstasy, Cocaine, Cannabis.
- Prozac Nation (2001). Cannabis, cocaine, prozac (fluoxetine) and ecstasy.
- Psych-Out (1968). LSD and DOM.
- Puddle Cruiser (1996). Cannabis.
- Puff, Puff, Pass (2006). Cannabis.
- Pulp Fiction (1994). Cocaine, heroin, cannabis.
- Pure (2002). Heroin.
- Punisher War Zone (2008). Cocaine, Methamphetamine.
Read more about this topic: List Of Drug Films