- Spain
- June 8, 2019(Fire!! Mostra Internacional de Cinema Gay i Lesbià de Barcelona)
- United States
- September 22, 2019(Reeling Chicago Gay Lesbian Film Festival)
- Germany
- September 29, 2019(Hamburg Film Festival)
- Germany
- October 11, 2019(queerfilm festival Bremen)
- Italy
- October 17, 2019(Florence Queer Festival)
- (original title)
- Darkroom: Tödliche Tropfen
- France
- Backroom: Drogue mortelle
- France
- Darkroom : Drops of death(Festival Title)
- Germany
- Darkroom: Tödliche Tropfen
- Germany
- Darkroommörder(Working Title)
- Germany
- Teuflische Tropfen(Working Title)
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