r/Opiates

A harm reduction community for opiate users.

Australians discussing drugs and harm reduction.

Harm reduction and reviews of heroin products.

Harm reduction for making and using poppy tea.

UK subreddit for cocaine discussion and harm reduction.

Harm reduction discussion for fentanyl users.

Discussion and harm reduction for oxycodone.

Discussion and harm reduction for Codeine use.

Harm reduction information for drug users in Brazil.

Harm reduction community for illicit substances.