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Is Heparin halal?

Heparin is classified haram for halal use with High confidence. An anticoagulant medicine extracted from animal mucosal tissue. Commercial heparin is overwhelmingly sourced from porcine intestinal mucosa.

Active ingredient · Confidence: High

Also known as: unfractionated heparin, UFH

Concern Detected Ask pharmacist
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Shared concern code: porcineRiskHigh

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What it is

An anticoagulant medicine extracted from animal mucosal tissue.

Source:DailyMed — Heparin Sodium injection labelsFDA — Heparin drug safety

Why it's here

Prevents and treats blood clots.

See:DailyMed — Heparin Sodium injection labelsFDA — Heparin drug safety

Why it may matter

Commercial heparin is overwhelmingly sourced from porcine intestinal mucosa.

Source:DailyMed — Heparin Sodium injection labelsFDA — Heparin drug safety

Common sources
  • Porcine intestinal mucosa
  • Bovine (rare)

Questions to ask

  • Are non-porcine alternatives (e.g., DOACs) clinically appropriate?
  • If heparin is medically necessary, what is the necessity pathway?

Other alternatives to ask about

Not yet separate pages in our library — discuss with your pharmacist or prescriber.

  • Direct oral anticoagulants (DOACs)

Reason codes

porcineRiskHigh

Evidence & citations2

Audit

Common questions

Is Heparin halal?
RxHalal currently classifies Heparin as HARAM (High confidence). Commercial heparin is overwhelmingly sourced from porcine intestinal mucosa. This is information only — not a fatwa or medical advice.
What is Heparin used for in medicines?
An anticoagulant medicine extracted from animal mucosal tissue. Prevents and treats blood clots.
What are common sources of Heparin?
Common sources include: Porcine intestinal mucosa; Bovine (rare). Manufacturers often do not disclose which source is used.
Are non-porcine alternatives (e.g., DOACs) clinically appropriate?
Ask your pharmacist or prescriber. RxHalal lists this because Heparin is haram in our cited database.
If heparin is medically necessary, what is the necessity pathway?
Ask your pharmacist or prescriber. RxHalal lists this because Heparin is haram in our cited database.
What are alternatives to Heparin in medicines?
Possible alternatives mentioned in our database: Direct oral anticoagulants (DOACs); Bovine heparin (limited availability). Always confirm with a clinician before switching.