Subreddits like r/dph

region: dph · methadone · reduction

This is a subreddit about DPH. It's mainly about the recreational use of DPH, but posts about using DPH as it was intended are welcome,…

3,783 distinct commenters from Oct 2025 to Sep 2026 · 80,364 subscribers

Similarity is measured by shared commenters, not by text: these are the communities whose commenters overlapped most with r/dph's from Oct 2025 to Sep 2026.

• r/dxm
  Welcome to r/DXM - a community for discussion about responsible use of the powerful dissociative cough suppressant - Dextromethorphan! …
• r/datura
  Datura is a genus of 12 Poisonous and Psychoactive plants, containing the 3 tropane Alkaloids: Scopolamine, Hyosycamine and Atropine. Use…
• r/huffingcommunity2
• r/urinalcakelife
  Welcome to our new subreddit r/UrinalCakeLife, where we discuss the joys of history’s most misunderstood inhalant, para-dichlorobenzene.…
• r/ilovedph
  ADULTS ONLY!!! Welcome to the home of u/FACastello, aka "The DPH Master"! This is the one and only official DPH lovers secret club. It is…
• r/caffeine
  The most popular chemical. Of, like, all the chemicals. And there are a lot of chemicals.
• r/drugs
  We do NOT promote drug use; - Accept, for better and or worse, that licit & illicit drug use is part of our world and choose to work to…
• r/dphanonymous
  A community of current current, recovering, or recovered addicts for the OTC allergy medicine and sleep-aid diphenhydramine. Other types of…

18+. From the Subreddit Atlas, a map of NSFW Reddit communities built from archived metadata: author names, subreddit names, and counts only, no post content. Methodology & removal requests · all subreddits