Fastin and Stable angina - a phase IV clinical study of FDA data

Summary:

Stable angina is reported as a side effect among people who take Fastin (phentermine hydrochloride), especially for people who are female, 40-49 old, also take Ionamin,.

The phase IV clinical study analyzes which people have Stable angina when taking Fastin. It is created by eHealthMe based on reports of 2,091 people who have side effects when taking Fastin from the FDA, and is updated regularly.

What is Fastin?

Fastin has active ingredients of phentermine hydrochloride. It is often used in weight loss. eHealthMe is studying from 2,168 Fastin users. Check the latest studies of Fastin.

What is Stable angina?

Stable angina (a constant chest pain) is found to be associated with 1,606 drugs and 2,106 conditions by eHealthMe. Check the latest studies of Stable angina.

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, 09, 2026

2,091 people reported to have side effects when taking Fastin.
Among them, 27 people (1.29%) have Stable angina.

Among these 27 people:

What is the gender of people who have Stable angina when taking Fastin? *

female: 66.67 %
male: 33.33 %

What is the age of people who have Stable angina when taking Fastin? *

What are other drugs people take besides Fastin? *

What are other side effects people have besides Stable angina? *

Chest Pain: 18 people, 66.67%
Fatigue (feeling of tiredness): 11 people, 40.74%
Fainting (loss of consciousness and postural tone): 9 people, 33.33%
Mitral Valve Incompetence (inefficient heart valve): 9 people, 33.33%
Tricuspid Valve Incompetence (inefficient heart valve): 8 people, 29.63%
Heart Attack: 8 people, 29.63%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 8 people, 29.63%
Cardiac Failure Congestive: 7 people, 25.93%
Ejection Fraction Abnormal (abnormality in percentage of blood that is pumped out of a filled ventricle as a result of a heartbeat): 7 people, 25.93%
Ventricular Hypertrophy (enlargement of ventricles (lower chambers) in the heart): 6 people, 22.22%

* Approximation only. Some reports may have incomplete information.

Do you take Fastin and have Stable angina?

- Check whether Stable angina 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 Fastin:

Fastin (2,168 reports)

Stable angina treatments and more:

Stable angina (63,199 reports)

Browse all side effects of Fastin:

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 Stable angina:

Stable angina (1,606 drugs)

Browse all the conditions that are associated with Stable angina:

Stable angina (2,106 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on phentermine hydrochloride (the active ingredients of Fastin) and Fastin (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.