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r/AFIB↗

A place for people to discover when they have an atrial fibrillation

Atrial fibrillation (AF or afib) is the most common irregular heartbeat and is characterized by heart palpitations, dizziness, and shortness of breath. This progressive and debilitating disease can lead to stroke, heart failure, and Alzheimer's disease, and can double your risk of death. Afib takes a physical toll, an emotional toll, and a financial toll on those who are living with it—not just the patient, but the family, too.

17k subscribers253 posts / mo in Sep 2026196 authors / mosince 2014

r/AFIB has 17k members (+35% over the last 12 months). It gets about 253 posts a month from 196 people. Top topics: Health Features and Heart Rate Monitoring & Recovery.

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Free report

When to post on r/AFIB

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Size and growth

How r/AFIB has grown

r/AFIB

Subscriber growth

Subscribers over time

+35%in 12 months · +6.2% in 3 months · +1.4% in 1 month
Oct 202617k
Growing17k subscribers
Data since Mar 2018Live · through Oct 2026
r/AFIB

Monthly activity

Posts, comments and authors per month

−2.3%vs Sep 2025 · +3.4% last 3 months vs the 3 before
Sep 2026253
QuieterPeaked at 420 in Jan 2025
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/AFIB

Top topics

Share of the subreddit's posts

  1. Health Features0.2%
  2. Heart Rate Monitoring & Recovery0.1%

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/AFIB

Which post types r/AFIB 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/AFIB

The best day and hour for r/AFIB, 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/AFIB

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

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Who writes here

Who posts on r/AFIB

Gender and age of the people who write on r/AFIB, 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/AFIB

Requests for recommendations, help and alternatives on r/AFIB, 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/AFIB

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