Chloramphenicol and Haemoglobin decreased - a phase IV clinical study of FDA data

Summary:

Haemoglobin decreased is reported as a side effect among people who take Chloramphenicol (chloramphenicol), especially for people who are male, 60+ old, have been taking the drug for < 1 month also take Captopril, and have Sepsis.

The phase IV clinical study analyzes which people have Haemoglobin decreased when taking Chloramphenicol. It is created by eHealthMe based on reports of 2,567 people who have side effects when taking Chloramphenicol from the FDA, and is updated regularly.

What is Chloramphenicol?

Chloramphenicol has active ingredients of chloramphenicol. eHealthMe is studying from 2,581 Chloramphenicol users. Check the latest studies of Chloramphenicol.

What is Haemoglobin decreased?

Haemoglobin decreased is found to be associated with 2,406 drugs and 3,131 conditions by eHealthMe. Check the latest studies of Haemoglobin decreased.

On Jul, 19, 2026

2,567 people reported to have side effects when taking Chloramphenicol.
Among them, 16 people (0.62%) have Haemoglobin decreased.

Could Chloramphenicol cause Haemoglobin decreased?

Among these 16 people:

How long have people been on Chloramphenicol when they have Haemoglobin decreased? *

What is the gender of people who have Haemoglobin decreased when taking Chloramphenicol? *

female: 46.67 %
male: 53.33 %

What is the age of people who have Haemoglobin decreased when taking Chloramphenicol? *

What are other drugs people take besides Chloramphenicol? *

What are other side effects people have besides Haemoglobin decreased? *

Fever: 4 people, 25.00%
Thrombocytopenia (decrease of platelets in blood): 4 people, 25.00%
Haematocrit Decreased: 3 people, 18.75%
White Blood Cell Count Decreased: 3 people, 18.75%
Brain Oedema (excess accumulation of fluid in the intracellular or extracellular spaces of the brain): 3 people, 18.75%
Cerebral Haemorrhage (bleeding within the brain): 2 people, 12.50%
Pneumonia: 2 people, 12.50%
Diarrhea: 2 people, 12.50%
Muscle Spasms (muscle contraction): 2 people, 12.50%
Blood Sodium Increased: 2 people, 12.50%

What are the existing conditions these people have? *

Epilepsy (common and diverse set of chronic neurological disorders characterized by seizures): 2 people, 12.50%
Sepsis (a severe blood infection that can lead to organ failure and death): 2 people, 12.50%
Extrapyramidal Disorder (involuntary muscle spasms in the face and neck): 1 person, 6.25%
Haemorrhoids (a swollen vein or group of veins in the region of the anus): 1 person, 6.25%
Genital Herpes (herpes infection of genital): 1 person, 6.25%
Gastrointestinal Carcinoma (cancer of stomach or intestine): 1 person, 6.25%
Gastric Ulcer (stomach ulcer): 1 person, 6.25%
Flatulence (flatus expelled through the anus): 1 person, 6.25%
Flank Pain (a distressing sensation experienced around the lower back and the upper abdomen): 1 person, 6.25%
Fever: 1 person, 6.25%

* Approximation only. Some reports may have incomplete information.

Do you take Chloramphenicol and have Haemoglobin decreased?

- Check whether Haemoglobin decreased is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Chloramphenicol:

Chloramphenicol (2,581 reports)

Browse all side effects of Chloramphenicol:

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

Browse all the drugs that are associated with Haemoglobin decreased:

Haemoglobin decreased (2,406 drugs)

Browse all the conditions that are associated with Haemoglobin decreased:

Haemoglobin decreased (3,131 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on chloramphenicol (the active ingredients of Chloramphenicol) and Chloramphenicol (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

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.

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.