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| Name | Life | Profession | Cause of death | Reference |
|---|---|---|---|---|
| Haley Paige | 1981–2007 | Pornographic actress | Methadone overdose. Possibly suicide. | |
| Marco Pantani | 1970–2004 | Cyclist | Cerebral and pulmonary edema potentially brought on by "tranquillisers, antidepressants and sedatives ... against a background of prolonged cocaine abuse". | |
| Robert Pastorelli | 1954–2004 | Actor | Heroin overdose. | |
| Gram Parsons | 1946–1973 | Musician (the Byrds) | Morphine overdose. | |
| Cesare Pavese | 1908–1950 | Poet, novelist | Consumed "twelve sachets of sleeping drugs". | |
| Chris Penn | 1965–2006 | Actor | Enlarged heart through drug use and a high level of codeine. | |
| Christopher Pettiet | 1976–2000 | Actor | Unspecified drug overdose. Accidental. | |
| Kristen Pfaff | 1967–1994 | Musician (Hole) | Heroin overdose. | |
| Esther Phillips | 1935–1984 | Musician, singer | Liver and kidney failure due to long-term drug use. | |
| River Phoenix | 1970–1993 | Actor | Heroin and cocaine overdose. | |
| Rob Pilatus | 1965–1998 | Musician (Milli Vanilli) | Prescription drug and alcohol overdose. | |
| Jesse Pintado | 1969–2006 | Musician | Liver failure caused by diabetes and alcoholism. | |
| Dana Plato | 1964–1999 | Actress | Vanadom and Lortab overdose. Suicide. | |
| Darrell Porter | 1952–2002 | Major League Baseball catcher | Cocaine overdose. | |
| Elvis Presley | 1935–1977 | Singer | Cardiac arrhythmia. Autopsy founds in his system "significant" levels of ethinamate, methaqualone, codeine and different barbiturates, including amobarbital, pentobarbital, and phenobarbital. | |
| Gary Primich | 1958–2007 | Singer | "Acute heroin intoxication." | |
| Freddie Prinze | 1954–1977 | Actor | Self-inflicted gunshot wound while under the influence of methaqualone and alcohol. Initially ruled suicide but later determined accidental. | |
| Promachus | ???–324 BCE | Soldier | Alcohol poisoning. |
Read more about this topic: List Of Drug-related Deaths