r/hematology
Hematology: The Study of Blood, Blood-Forming Organs, and Blood Diseases NO DIAGNOSIS or INTERPRETATION of your tests! This a community…
How to think about r/hematology
This community focuses on the study of blood, blood-forming organs, and blood diseases, serving as a platform for discussions among hematologists, students, and enthusiasts. Members share knowledge, resources, and experiences related to hematology, while emphasizing a strict policy against medical diagnosis or test interpretation. The community is characterized by its educational tone and a collaborative spirit, making it a valuable resource for those interested in the field.
Confidence 4/5
Audience
Participants include hematologists, medical students, and individuals with varying levels of knowledge about hematology. The community attracts those eager to learn and share insights about blood-related topics, fostering a supportive and inquisitive atmosphere. Members often seek to deepen their understanding of hematological conditions and research, contributing to a diverse demographic united by a common interest in blood science.
Posting culture
The posting culture prioritizes educational content, with successful posts often featuring detailed explanations, case studies, or questions that stimulate discussion. Content that lacks depth or relevance to hematology tends to receive downvotes. Members are encouraged to engage thoughtfully, and the community thrives on a mix of academic inquiries and practical advice, with a steady cadence of posts and interactions.
Brand engagement notes
Brands should approach this community with caution, as overt promotion is generally unwelcome. Instead, they can engage by providing valuable educational resources, sharing relevant research findings, or participating in discussions that align with the community's interests. Authenticity is key; brands should focus on contributing to the conversation rather than pushing products. Hosting AMAs with experts or sharing insights on recent advancements in hematology could resonate well with members.
Top keywords
What r/hematology talks about
Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.
External signals
Where the community looks
Top external domains linked from posts and comments — a quick read on the sources of truth this audience trusts.
Top contributors
Who shapes the conversation
The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.
Top posters
By post count
- u/pathology_mcqs
- u/IsThatCandy
- u/Similar_Elk_5774
- u/AppropriateFinding84
- u/supadupa200
- u/Healthcarenewss
- u/CureusJournal
- u/thumpingcoffee
- u/RecipeFull515
- u/RaspberryUnited5336
- u/xCelloIsMyLife
- u/MsIngYou
- u/invitroarte
- u/dm319
- u/[deleted]
- u/Saarcore
- u/kfives
- u/djohle
- u/Alternative-Berry732
- u/rydapt50
- u/Nheea
- u/Youhadme_atwoof
- u/gpolk
- u/Swek_LoL
- u/effexorflexor
- u/phimf
- u/4leafchemistry
- u/Tailos
- u/sciencecatincognito
- u/pateleq
- u/nomorelovesongs4u
- u/Med_katoria
- u/thisisridiculous96
- u/dtpmd
- u/Driftking1337
- u/poppup77
- u/MediocreClementine
- u/RashadXPro
- u/404jasmn
- u/DrStoned
- u/Loquat_Great
- u/Due-Table2334
- u/Peoplephobia2
- u/AutoModerator
- u/Fun_Departure4757
- u/tragicGinger
- u/ivaloncar
- u/nursevn
- u/poppypottery
- u/ScrambleLab
- u/Sabir_Makhdoomi
- u/Impressive_Cod_3006
- u/Laetyen
- u/Karrelen
- u/KnowAfrika
- u/HadesSyakaFishIroh
- u/gonzaEM_
- u/BruceandJimini3
- u/ClearSurround6484
- u/LHZOZ
- u/Significant-Wing3742
- u/electron_syndrome
- u/pbnj4meeee
- u/Aware-Floor7682
- u/garseansean
- u/keighvin
- u/medtutorneeded
- u/soxfresh
- u/smegmaticsPhD
- u/Ultra_Slicer
- u/New-Leather-6175
- u/DalgyalGuishin
- u/PsychologyRough1202
- u/Leo_Burn
- u/Correct_Attitude_894
- u/shadyinthisbitch
- u/creepinonthenet13
- u/cl0vert
- u/GREGARIOUSINTR0VERT
- u/Tikipowers
- u/Chipdoc
- u/HappiKamper
- u/autumnelaine
- u/silver_raiders
- u/Owleyn8ight
- u/SukraFur
- u/FWilliams00
- u/tk323232
- u/zante2033
- u/LAUSRorg
- u/Linear_ninja
- u/clonzana
- u/Brilliant_Process921
- u/Rough-Airport
- u/Purchase_Busy
- u/smallz666
- u/Apprehensive_Pick745
- u/rpaoa19
- u/Nikkolya
- u/SweetVanillaPop
By votes
- u/IsThatCandy
- u/thumpingcoffee
- u/Similar_Elk_5774
- u/RecipeFull515
- u/rydapt50
- u/supadupa200
- u/pathology_mcqs
- u/invitroarte
- u/Nheea
- u/Youhadme_atwoof
- u/RaspberryUnited5336
- u/dm319
- u/gpolk
- u/Swek_LoL
- u/effexorflexor
- u/Saarcore
- u/4leafchemistry
- u/[deleted]
- u/phimf
- u/Tailos
- u/xCelloIsMyLife
- u/sciencecatincognito
- u/pateleq
- u/nomorelovesongs4u
- u/Healthcarenewss
- u/Med_katoria
- u/thisisridiculous96
- u/dtpmd
- u/poppup77
- u/Driftking1337
- u/MediocreClementine
- u/RashadXPro
- u/404jasmn
- u/DrStoned
- u/Loquat_Great
- u/djohle
- u/Due-Table2334
- u/Peoplephobia2
- u/Fun_Departure4757
- u/kfives
- u/CureusJournal
- u/AutoModerator
- u/tragicGinger
- u/ivaloncar
- u/nursevn
- u/poppypottery
- u/Sabir_Makhdoomi
- u/HadesSyakaFishIroh
- u/ScrambleLab
- u/Impressive_Cod_3006
- u/Laetyen
- u/KnowAfrika
- u/gonzaEM_
- u/AppropriateFinding84
- u/Karrelen
- u/BruceandJimini3
- u/ClearSurround6484
- u/electron_syndrome
- u/LHZOZ
- u/Significant-Wing3742
- u/soxfresh
- u/pbnj4meeee
- u/Aware-Floor7682
- u/garseansean
- u/medtutorneeded
- u/smegmaticsPhD
- u/Alternative-Berry732
- u/keighvin
- u/Ultra_Slicer
- u/New-Leather-6175
- u/DalgyalGuishin
- u/PsychologyRough1202
- u/Leo_Burn
- u/MsIngYou
- u/Correct_Attitude_894
- u/shadyinthisbitch
- u/creepinonthenet13
- u/GREGARIOUSINTR0VERT
- u/Tikipowers
- u/cl0vert
- u/Chipdoc
- u/HappiKamper
- u/autumnelaine
- u/silver_raiders
- u/Owleyn8ight
- u/SukraFur
- u/FWilliams00
- u/zante2033
- u/LAUSRorg
- u/Linear_ninja
- u/clonzana
- u/smallz666
- u/tk323232
- u/Brilliant_Process921
- u/Rough-Airport
- u/Purchase_Busy
- u/rpaoa19
- u/Nikkolya
- u/SweetVanillaPop
- u/Apprehensive_Pick745
Top commenters
By comment count
- u/Xepolite
- u/Nheea
- u/Aurora_96
- u/DrDonKee
- u/Leo_Burn
- u/[deleted]
- u/Tailos
- u/thumpingcoffee
- u/Med_katoria
- u/dm319
- u/QuantumHope
- u/theotjielief
- u/djohle
- u/HomoSapiens_v2
- u/friendlysatan69
- u/UnderTheScopes
- u/InfamousRyknow
- u/404jasmn
- u/SarahC
- u/MediocreClementine
- u/Due-Table2334
- u/Aromatic-Lead-3252
- u/pateleq
- u/slmbnalp
- u/ScootyPuffSr
- u/1repub
- u/Zelan96
- u/Introthink
- u/novemberfury
- u/locumjobs
- u/Similar_Elk_5774
- u/ecrur
- u/jax_a_million
- u/JimmyTimmy2012
- u/LankyStrain
- u/Brandelis
- u/AmbiguousGizmo
- u/gpolk
- u/Additional_Neck1892
- u/AcanthaceaeOk7432
- u/epicurean56
- u/tobleronesugardaddy
- u/heartofash7
- u/rydapt50
- u/RecipeFull515
- u/Rampaging_Bunny
- u/effexorflexor
- u/icebugs
- u/Divrsdoitdepr
- u/mekylaaa
- u/missy3393
- u/tsetdeeps
- u/Westcoastyogi_
- u/Morteih
- u/FrogginBull
- u/lajoswinkler
- u/3616920
- u/gonzaEM_
- u/educalium
- u/avschmidt63
- u/crayoncer
- u/cstorm86
- u/zunalix
- u/mitox11
- u/Alex_4209
- u/Linear_ninja
- u/supadupa200
- u/elwood2cool
- u/Theantijen
- u/Future-Television-23
- u/Superb-Researcher145
- u/DistinctAlt
- u/pdamdl
- u/suddensphere
- u/DreaMuffin
- u/xNikkeh
- u/BruceandJimini3
- u/Hermvthree
- u/Lee_yw
- u/Crowley575
- u/kelzozee
- u/ur9ce
- u/thisisridiculous96
- u/superkatalyst
- u/Supertam3
- u/Necessary-Storm-4889
- u/Mixster667
- u/Laboratoryman1
- u/Blind-Magician5723
- u/Moe3kids
- u/soxfresh
- u/Bust_Shoes
- u/TBunny33
- u/badmintonkitten
- u/TrashPandaWong
- u/CptBlm
- u/Galmeister
- u/XNH2
- u/Rixanide
By votes
- u/Xepolite
- u/Tailos
- u/Aurora_96
- u/Med_katoria
- u/DrDonKee
- u/Nheea
- u/XNH2
- u/dm319
- u/Bust_Shoes
- u/thumpingcoffee
- u/UnderTheScopes
- u/CptBlm
- u/Aromatic-Lead-3252
- u/Leo_Burn
- u/[deleted]
- u/pateleq
- u/theotjielief
- u/QuantumHope
- u/Crowley575
- u/Galmeister
- u/djohle
- u/soxfresh
- u/gpolk
- u/friendlysatan69
- u/MediocreClementine
- u/lajoswinkler
- u/InfamousRyknow
- u/HomoSapiens_v2
- u/Lee_yw
- u/Rixanide
- u/Additional_Neck1892
- u/xNikkeh
- u/Morteih
- u/badmintonkitten
- u/tobleronesugardaddy
- u/heartofash7
- u/icebugs
- u/missy3393
- u/zunalix
- u/ScootyPuffSr
- u/JimmyTimmy2012
- u/gonzaEM_
- u/Due-Table2334
- u/Alex_4209
- u/pdamdl
- u/kelzozee
- u/superkatalyst
- u/Supertam3
- u/Necessary-Storm-4889
- u/Mixster667
- u/novemberfury
- u/jax_a_million
- u/LankyStrain
- u/Brandelis
- u/AmbiguousGizmo
- u/epicurean56
- u/Rampaging_Bunny
- u/SarahC
- u/Westcoastyogi_
- u/educalium
- u/cstorm86
- u/Future-Television-23
- u/BruceandJimini3
- u/thisisridiculous96
- u/TrashPandaWong
- u/Zelan96
- u/Introthink
- u/Similar_Elk_5774
- u/404jasmn
- u/AcanthaceaeOk7432
- u/RecipeFull515
- u/effexorflexor
- u/Divrsdoitdepr
- u/tsetdeeps
- u/FrogginBull
- u/supadupa200
- u/Theantijen
- u/slmbnalp
- u/ur9ce
- u/1repub
- u/TBunny33
- u/locumjobs
- u/ecrur
- u/mekylaaa
- u/3616920
- u/avschmidt63
- u/crayoncer
- u/mitox11
- u/Linear_ninja
- u/elwood2cool
- u/Superb-Researcher145
- u/DistinctAlt
- u/suddensphere
- u/DreaMuffin
- u/Hermvthree
- u/Laboratoryman1
- u/Blind-Magician5723
- u/Moe3kids
- u/rydapt50
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/hematology — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/hematology have?
r/hematology has approximately 11,568 subscribers as of May 27, 2026.
When was r/hematology created?
r/hematology was created on November 29, 2012 (13 years ago).
What is r/hematology about?
This community focuses on the study of blood, blood-forming organs, and blood diseases, serving as a platform for discussions among hematologists, students, and enthusiasts. Members share knowledge, resources, and experiences related to hematology, while emphasizing a strict policy against medical diagnosis or test interpretation. The community is characterized by its educat…
What subreddits are similar to r/hematology?
Communities similar to r/hematology include r/medlabprofessionals, r/oncology, r/leukemia, r/histology, r/clinicalmicrobiology.
Who are the most active posters on r/hematology?
The most frequent posters on r/hematology include u/pathology_mcqs, u/IsThatCandy, u/Similar_Elk_5774.
Ready to engage on r/hematology?
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