Forteo and Leukopenia - a phase IV clinical study of FDA data

Summary:

Leukopenia is reported as a side effect among people who take Forteo (teriparatide recombinant human), especially for people who are female, 60+ old, have been taking the drug for 6 - 12 months also take Gilenya, and have Multiple sclerosis.

The phase IV clinical study analyzes which people have Leukopenia when taking Forteo. It is created by eHealthMe based on reports of 126,656 people who have side effects when taking Forteo from the FDA, and is updated regularly.

What is Forteo?

Forteo has active ingredients of teriparatide recombinant human. It is often used in osteoporosis. eHealthMe is studying from 127,076 Forteo users. Check the latest studies of Forteo.

What is Leukopenia?

Leukopenia (less number of white blood cells in blood) is found to be associated with 1,685 drugs and 2,291 conditions by eHealthMe. Check the latest studies of Leukopenia.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 20, 2026

126,656 people reported to have side effects when taking Forteo.
Among them, 28 people (0.02%) have Leukopenia.

Among these 28 people:

How long have people been on Forteo when they have Leukopenia? *

What is the gender of people who have Leukopenia when taking Forteo? *

female: 92.59 %
male: 7.41 %

What is the age of people who have Leukopenia when taking Forteo? *

What are other drugs people take besides Forteo? *

What are other side effects people have besides Leukopenia? *

Thrombocytopenia (decrease of platelets in blood): 10 people, 35.71%
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection): 7 people, 25.00%
Anaemia (lack of blood): 5 people, 17.86%
Diarrhea: 4 people, 14.29%
Nausea (feeling of having an urge to vomit): 3 people, 10.71%
Nausea And Vomiting: 2 people, 7.14%
Hip Fracture: 2 people, 7.14%
Lymphocyte Count Decreased: 2 people, 7.14%
Dizziness: 2 people, 7.14%
Lung Cancer Metastatic (lung cancer spreads to other parts): 2 people, 7.14%

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): 3 people, 10.71%
Thyroid Diseases: 1 person, 3.57%
Seasonal Allergy (allergic condition due to certain season): 1 person, 3.57%
Schizophrenia (a mental disorder characterized by a breakdown of thought processes): 1 person, 3.57%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 1 person, 3.57%
Juvenile Rheumatoid Arthritis (joint inflammation in children due to systemic disease): 1 person, 3.57%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 1 person, 3.57%
Gastric Disorder (disease of stomach): 1 person, 3.57%
Fluid Retention (an abnormal accumulation of fluid in the blood): 1 person, 3.57%
Extranodal Marginal Zone B-Cell Lymphoma (Malt Type) (cancer originating from b cells in the marginal zone of the malt): 1 person, 3.57%

* Approximation only. Some reports may have incomplete information.

Do you take Forteo and have Leukopenia?

- Check whether Leukopenia is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

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

Forteo (127,076 reports)

Leukopenia treatments and more:

Leukopenia (58,665 reports)

How severe was Leukopenia and when was it recovered:

Leukopenia in Forteo

Expand to all the drugs that have ingredients of teriparatide recombinant human:

Leukopenia and drugs with ingredients of teriparatide recombinant human

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Forteo:

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 Leukopenia:

Leukopenia (1,685 drugs)

Browse all the conditions that are associated with Leukopenia:

Leukopenia (2,291 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on teriparatide recombinant human (the active ingredients of Forteo) and Forteo (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.