Drug & supplement interaction

Carrageenan + Abrocitinib

Abrocitinib brand name: Cibinqo.

Moderate Interaction
Medically reviewed by · Updated September 2026
The bottom line Moderate

Carrageenan has a moderate interaction with Abrocitinib. Theoretically, carrageenan may increase the risk of bleeding in patients taking anticoagulant or antiplatelet drugs.

Read the full interaction report
SeverityModerate
LikelihoodPossible
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Carrageenan and Abrocitinib

Here is the interaction we found between these two, with the evidence behind it.

Moderate

ANTICOAGULANT/ANTIPLATELET DRUGS

Why this applies to Abrocitinib

Abrocitinib falls under ANTICOAGULANT/ANTIPLATELET DRUGS — the group Carrageenan interacts with.

Theoretically, carrageenan may increase the risk of bleeding in patients taking anticoagulant or antiplatelet drugs.
Laboratory research suggests that carrageenan has anticoagulant effects. However, this has not been reported in humans.
Severity Moderate Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the honest picture: the bleeding concern on file comes from lab studies suggesting carrageenan might thin the blood a bit. That worry is aimed at classic blood thinners, but it's worth a quick word with abrocitinib too. While abrocitinib (Cibinqo) is a JAK inhibitor for eczema and not a true anticoagulant, it can sometimes nudge platelet counts down, so in theory stacking it with something that may affect clotting could add up.

I want to keep this in perspective. This is purely theoretical and has never actually been reported in people, and ordinary food amounts of carrageenan are very unlikely to matter. Concentrated supplements are a different story, so check with your pharmacist or doctor before using one.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Fetrow CW, Avila JR. Professional's Handbook of Complementary & Alternative Medicines. 1st ed. Springhouse, PA: Springhouse Corp., 1999.

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Carrageenan Also Interacts With Other Medications

Carrageenan has 121 moderate known drug interactions in our database — the Abrocitinib one above is one of them. If you take anything else, check it against the full list below.

Moderate 121 No known interaction 2,709 (incl. Abrocitinib)
Taking anything else?

Check Another of Your Medications Against Carrageenan

Covers the 2,830 medications we’ve checked against Carrageenan. Pick one to open its full report.

Everything else you take

See Every Supplement That Interacts With Abrocitinib

This page covers Carrageenan only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Abrocitinib page lists 290 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Danshen (major), Piracetam (major), Aconite (moderate) and Active Hexose Correlated Compound (ahcc) (moderate).

By severity: 3 major · 252 moderate · 35 minor.

From our pharmacist’s overview on the Abrocitinib page

“Bleeding is where I'd focus first with abrocitinib (Cibinqo), an eczema pill that can itself lower platelet counts. Of the 290 supplements and herbs with an interaction on file, 202 have blood-thinning or antiplatelet activity, and two of the three major-rated entries, danshen and piracetam, sit in that group.”

Reviewed by 2 · Jul 18, 2026

Open the Abrocitinib interaction page

One more smart check

Taking Carrageenan as Part of a Dietary Supplement Product? Check It for Interactions

We hold 31 real supplement products containing Carrageenan, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Carrageenan. Your product may carry other ingredients that interact with Abrocitinib too, on top of Carrageenan — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Carrageenan and Abrocitinib Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Carrageenan
Steady interest

#1,097 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Abrocitinib
Top half

#1,284 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Supplement

About Carrageenan

What is Carrageenan?

  • Food thickener and stabilizer
  • Digestive complaints (traditional use)
  • Cough and sore throat (traditional use)
  • Laxative or bowel-related uses
  • Antiviral (laboratory interest)

Carrageenan is a fiber-like substance taken from red seaweed and is mostly used as a thickener and gelling agent in foods. There is little solid human evidence supporting it as a health supplement, and some forms (especially degraded carrageenan) have raised digestive and inflammation concerns, so it should not be relied on to treat any condition.

Read the full Carrageenan monograph & all interactions
Medication

About Abrocitinib

What Is Abrocitinib Used For?

Brand name: Cibinqo

Cibinqo (abrocitinib) is used to treat moderate-to-severe atopic dermatitis (eczema) in adults and children 12 years of age and older. It is specifically for people whose eczema has not been adequately controlled with other systemic (whole-body) treatments, including biologics, or when those treatments are not a safe option.

Cibinqo is not recommended to be used at the same time as other JAK inhibitors, biologic immunomodulators, or other immunosuppressants (medicines that reduce immune system activity).

See full Abrocitinib drug information
Keep checking

Other Drugs & Carrageenan

Browse every other medication we’ve checked against Carrageenan — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
121Moderate
0Minor
2,708No known interaction
121 Moderate 2,708 No interaction
Moderate

121 interactions

Showing 60 of 121 moderate interactions — see all 121 on the Carrageenan page.

No interaction 2,708 drugs checked — show the list

We also checked Carrageenan against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,708 medications checked with no known interaction — see the full Carrageenan list.

See the full Carrageenan interactions page
See every supplement checked against Abrocitinib, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Carrageenan monograph › Uses, safety, and every drug interaction in one place Abrocitinib supplement interactions › Every supplement checked against Abrocitinib, ranked by severity Abrocitinib drug information › The full plain-English guide to this medication Supplement interaction checker › Check any supplement or product against your medications Browse medications A–Z › Every drug we've checked against herbs & supplements Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Carrageenan and Abrocitinib Together: Common Questions

Can you take Carrageenan with Abrocitinib?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Carrageenan and Abrocitinib interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Still Have a Question About Abrocitinib and Carrageenan?

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.