Adipex-p and Constipation - a phase IV clinical study of FDA data

Summary:

Constipation is reported as a side effect among people who take Adipex-p (phentermine hydrochloride), especially for people who are female, 50-59 old, have been taking the drug for 5 - 10 years also take Rogaine, and have High blood pressure.

The phase IV clinical study analyzes which people have Constipation when taking Adipex-p. It is created by eHealthMe based on reports of 1,702 people who have side effects when taking Adipex-p from the FDA, and is updated regularly.

What is Adipex-p?

Adipex-p has active ingredients of phentermine hydrochloride. It is often used in weight loss. eHealthMe is studying from 2,718 Adipex-p users. Check the latest studies of Adipex-p.

What is Constipation?

Constipation is found to be associated with 3,004 drugs and 4,613 conditions by eHealthMe. Check the latest studies of Constipation.

On Jul, 10, 2026

1,702 people reported to have side effects when taking Adipex-p.
Among them, 25 people (1.47%) have Constipation.

Among these 25 people:

How long have people been on Adipex-p when they have Constipation? *

What is the gender of people who have Constipation when taking Adipex-p? *

female: 90.48 %
male: 9.52 %

What is the age of people who have Constipation when taking Adipex-p? *

What are other drugs people take besides Adipex-p? *

What are other side effects people have besides Constipation? *

Chest Pain: 15 people, 60.00%
Fatigue (feeling of tiredness): 9 people, 36.00%
Oedema Lower Limb (fluid collection in tissue of lower leg): 6 people, 24.00%
Heart Palpitations (feelings or sensations that your heart is pounding or racing): 6 people, 24.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 6 people, 24.00%
Drug Ineffective: 5 people, 20.00%
Haemorrhoids (a swollen vein or group of veins in the region of the anus): 5 people, 20.00%
Pericardial Effusion (fluid around the heart): 5 people, 20.00%
Nausea (feeling of having an urge to vomit): 5 people, 20.00%
Rectal Bleeding (bleeding from rectum): 5 people, 20.00%

What are the existing conditions these people have? *

High Blood Pressure: 3 people, 12.00%
Weight Decreased: 1 person, 4.00%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 4.00%
Dementia (madness): 1 person, 4.00%
Depression: 1 person, 4.00%
Diabetes: 1 person, 4.00%
Fibromyalgia (a long-term condition which causes pain all over the body): 1 person, 4.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 4.00%
Hereditary Angioedema (recurrent episodes of severe swelling): 1 person, 4.00%
Hiv Infection: 1 person, 4.00%

* Approximation only. Some reports may have incomplete information.

Do you take Adipex-p and have Constipation?

- Check whether Constipation 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 Adipex-p:

Adipex-p (2,718 reports)

Constipation treatments and more:

Constipation (337,879 reports)

Browse all side effects of Adipex-p:

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 Constipation:

Constipation (3,004 drugs)

Browse all the conditions that are associated with Constipation:

Constipation (4,613 conditions)

How the study uses the data?

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