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Coumarin
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Coumarin

Cassia cinnamon (common commercial type) contains **coumarin**, a compound that may cause liver toxicity in high doses or trigger allergic reactions (e.g., skin irritation, headaches) in sensitive individuals. Not a classical IgE-mediated allergen but regulated in some regions (e.g., EU limits in foods). Ceylon cinnamon has negligible coumarin.
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Coumarin

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Symptoms

  • Nausea
  • Headache
  • Dizziness
  • Liver Toxicity
  • Allergic reaction
  • Fatigue

Healing & Prevention

  • Avoid Coumarin-Containing Foods
  • Hydration
  • Liver-Supportive Diet
  • Medical Consultation
  • Antihistamines (for Allergic Reactions)
  • Rest and recovery
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Swelling (119) Anaphylaxis (115) Digestive Issues (113) Hives (99) Itching (95) Difficulty Breathing (84) Skin rash (62) Diarrhea (58) Nausea (55) Abdominal Pain (51) Skin Rash or Hives (46) Headache (44) Respiratory Symptoms (43) Oral Allergy Syndrome (OAS) (40) Skin Reactions (36) Nausea or Vomiting (34) Itching or Tingling in the Mouth (33) Anaphylaxis (Rare) (23) Anaphylaxis (severe reaction) (22) Fatigue (22) Swelling (angioedema) (22) Difficulty breathing or wheezing (21) Vomiting (21) Gastrointestinal Issues (18) Anaphylaxis (Severe Allergic Reaction) (17) Dizziness or Lightheadedness (17) Swelling of lips, face, or throat (16) Respiratory problems (13) Digestive issues (nausea, vomiting, diarrhea) (12) Dizziness (12)

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