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

Summary:

Haemoglobin decreased is reported as a side effect among people who take Botox (botulinum toxin type a), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Benadryl, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Haemoglobin decreased when taking Botox. It is created by eHealthMe based on reports of 69,984 people who have side effects when taking Botox from the FDA, and is updated regularly.

What is Botox?

Botox has active ingredients of botulinum toxin type a. It is often used in migraine. eHealthMe is studying from 70,513 Botox users. Check the latest studies of Botox.

What is Haemoglobin decreased?

Haemoglobin decreased is found to be associated with 2,408 drugs and 3,129 conditions by eHealthMe. Check the latest studies of Haemoglobin decreased.

On Jul, 12, 2026

69,984 people reported to have side effects when taking Botox.
Among them, 55 people (0.08%) have Haemoglobin decreased.

Could Botox cause Haemoglobin decreased?

Among these 55 people:

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

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

female: 80 %
male: 20 %

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

What are other drugs people take besides Botox? *

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

Weakness: 24 people, 43.64%
Haematocrit Decreased: 21 people, 38.18%
White Blood Cell Count Decreased: 19 people, 34.55%
Pain: 19 people, 34.55%
Lymphocyte Count Decreased: 17 people, 30.91%
Fatigue (feeling of tiredness): 17 people, 30.91%
Headache (pain in head): 16 people, 29.09%
Joint Pain: 14 people, 25.45%
Neutrophil Count Decreased (less than normal number of neutrophil a type of blood cell): 14 people, 25.45%
Musculoskeletal Stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves): 12 people, 21.82%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 13 people, 23.64%
Depression: 9 people, 16.36%
Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 9 people, 16.36%
Muscle Spasticity (tight or stiff muscles and an inability to control those muscles): 8 people, 14.55%
Muscle Spasms (muscle contraction): 8 people, 14.55%
Birth Control: 5 people, 9.09%
Headache (pain in head): 4 people, 7.27%
Dermatosis (a disease of the skin, esp. one that does not cause inflammation): 4 people, 7.27%
Sleep Apnea Syndrome: 4 people, 7.27%
Torticollis (a twisted neck in which the head is tipped to one side, while the chin is turned to the other): 4 people, 7.27%

* Approximation only. Some reports may have incomplete information.

Do you take Botox and have Haemoglobin decreased?

- Check whether Haemoglobin decreased is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

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

Botox (70,513 reports)

Browse all side effects of Botox:

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 (2,408 drugs)

Browse all the conditions that are associated with Haemoglobin decreased:

Haemoglobin decreased (3,129 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on botulinum toxin type a (the active ingredients of Botox) and Botox (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.