Cassia bark side effects, by duration, gender and age (a phase IV clinical study of FDA data)

Summary:

Side effects are reported by people who take Cassia bark (cassia cinnamon). Common side effects include anaemia among females and arthralgia among males.

The phase IV clinical study is created by eHealthMe based on 90 reports from the FDA, and is updated regularly.

What is Cassia Bark?

Cassia bark has active ingredients of cassia cinnamon. eHealthMe is studying from 90 Cassia bark users. Check the latest studies of Cassia bark.



On Jul, 09, 2026

90 people who take Cassia Bark and have side effects are studied.

Cassia bark side effects.

What are the common side effects of Cassia Bark, by gender? *:

female:

  1. Anaemia (lack of blood)
  2. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  3. Dizziness
  4. Traumatic intracranial haemorrhage (a bleeding in brain due to trauma)
  5. Alopecia (absence of hair from areas of the body)
  6. Back injury
  7. Blood pressure decreased
  8. Chills (felling of cold)
  9. Creutzfeldt-jakob disease (fatal brain disorder)
  10. Febrile neutropenia (fever with reduced white blood cells)

male:

  1. Arthralgia (joint pain)
  2. Delirium (wild excitement)
  3. Depressed level of consciousness
  4. Diarrhoea
  5. Headache (pain in head)
  6. Hypoaesthesia (reduced sense of touch or sensation)
  7. Pancreatic carcinoma metastatic (pancreatic cancer- metastatic)
  8. Platelet count decreased
  9. Abdominal discomfort
  10. Acute myocardial infarction (acute heart attack)

What are the common side effects of Cassia Bark, by age (0-1 to 60+) *:

0-1:

  1. Anaemia (lack of blood)

2-9:

n/a

10-19:

n/a

20-29:

  1. Abdominal discomfort
  2. Abdominal pain
  3. Anaemia (lack of blood)

30-39:

  1. Abortion missed (delayed or silent miscarriage)
  2. Bronchial obstruction (blockage of the breathing passages to the lungs)

40-49:

  1. Arthropathy
  2. Blepharitis (chronic inflammation of the eyelid)
  3. Blood pressure decreased
  4. Chest discomfort
  5. Cytomegalovirus enterocolitis (virus infection of intestine and colon)
  6. Depressed level of consciousness

50-59:

  1. Traumatic intracranial haemorrhage (a bleeding in brain due to trauma)
  2. Febrile neutropenia (fever with reduced white blood cells)
  3. Urticaria (rash of round, red welts on the skin that itch intensely)
  4. Abdominal discomfort
  5. Alcoholic liver disease
  6. Alopecia (absence of hair from areas of the body)
  7. Cardio-respiratory arrest (sudden dysfunction of heart and lungs)
  8. Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
  9. Hypoaesthesia (reduced sense of touch or sensation)
  10. Myelodysplastic syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged)

60+:

  1. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  2. Dizziness
  3. Arthralgia (joint pain)
  4. Chills (felling of cold)
  5. Creutzfeldt-jakob disease (fatal brain disorder)
  6. Delirium (wild excitement)
  7. Acute myocardial infarction (acute heart attack)
  8. Alopecia (absence of hair from areas of the body)
  9. Auricular haematoma (collection of blood outside of a blood vessel in ear)
  10. Blood pressure decreased

What are the common side effects of Cassia Bark, by the time people have been on the drug (< 1 month to 10+ years)? *:

< 1 month:

  1. Abortion missed (delayed or silent miscarriage)
  2. Anaemia (lack of blood)
  3. Dehydration (dryness resulting from the removal of water)
  4. Hypoaesthesia (reduced sense of touch or sensation)
  5. Auricular haematoma (collection of blood outside of a blood vessel in ear)
  6. Delirium (wild excitement)
  7. Febrile neutropenia (fever with reduced white blood cells)
  8. Urticaria (rash of round, red welts on the skin that itch intensely)
  9. Abdominal discomfort
  10. Abdominal pain

1 - 6 months:

  1. Headache (pain in head)

6 - 12 months:

n/a

1 - 2 years:

n/a

2 - 5 years:

  1. Anxiety
  2. Hepatitis c
  3. Pancreatic carcinoma metastatic (pancreatic cancer- metastatic)

5 - 10 years:

n/a

10+ years:

n/a

not specified:

  1. Anaemia (lack of blood)
  2. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  3. Blood pressure decreased
  4. Dizziness
  5. Traumatic intracranial haemorrhage (a bleeding in brain due to trauma)
  6. Alopecia (absence of hair from areas of the body)
  7. Arthralgia (joint pain)
  8. Back injury
  9. Cardio-respiratory arrest (sudden dysfunction of heart and lungs)
  10. Chills (felling of cold)

* Approximation only. Some reports may have incomplete information.

Do you take Cassia bark?

- Personalize this study to your gender and age
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.



How the study uses the data?

The study is based on cassia cinnamon (the active ingredients of Cassia bark) and Cassia bark (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered.

Related studies are listed below in case you need more information:

Alternative drugs to, pros and cons of Cassia bark:

All Cassia bark side effects from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



Recent studies on eHealthMe: