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r/prep↗

PrEP: Pre-Exposure Prophylaxis

PrEP is medication taken to prevent HIV infection. It is for people who do not have HIV and may be exposed to it. When taken as prescribed, it reduces the risk of HIV through sex by over 99%.

3.7k subscribers64 posts / mo in Sep 202661 authors / mosince 2012

r/prep has 3.7k members (+46% over the last 12 months). It gets about 64 posts a month from 61 people.

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When to post on r/prep

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Size and growth

How r/prep has grown

r/prep

Subscriber growth

Subscribers over time

+46%in 12 months · +10.0% in 3 months · +2.4% in 1 month
Oct 20263.6k
Growing3.6k subscribers
  • no data — drawn from 0 at creation (Sep 2012)
Live · through Oct 2026
r/prep

Monthly activity

Posts, comments and authors per month

−7.2%vs Sep 2025 · +0.9% last 3 months vs the 3 before
Sep 202664
QuieterPeaked at 86 in Jul 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/prep

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/prep

Which post types r/prep allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.

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Timing and removals

How often posts get removed on r/prep

The best day and hour for r/prep, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.

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What to post

What works on r/prep

Title and body length that does well on r/prep, and its mix of text posts, links, images, galleries and video.

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Who writes here

Who posts on r/prep

Gender and age of the people who write on r/prep, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.

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How they talk

What people ask for on r/prep

Requests for recommendations, help and alternatives on r/prep, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.

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The full report

See all of r/prep

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research