Phentermine hydrochloride and Dry mouth - a phase IV clinical study of FDA data

Summary:

Dry mouth is reported as a side effect among people who take Phentermine hydrochloride (phentermine hydrochloride), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Fastin, and have Weight decreased.

The phase IV clinical study analyzes which people have Dry mouth when taking Phentermine hydrochloride. It is created by eHealthMe based on reports of 1,023 people who have side effects when taking Phentermine hydrochloride from the FDA, and is updated regularly.

What is Phentermine hydrochloride?

Phentermine hydrochloride has active ingredients of phentermine hydrochloride. It is often used in weight loss. eHealthMe is studying from 2,399 Phentermine hydrochloride users. Check the latest studies of Phentermine hydrochloride.

What is Dry mouth?

Dry mouth is found to be associated with 2,090 drugs and 2,492 conditions by eHealthMe. Check the latest studies of Dry mouth.

On Jul, 13, 2026

1,023 people reported to have side effects when taking Phentermine hydrochloride.
Among them, 20 people (1.96%) have Dry mouth.

Could Phentermine hydrochloride cause Dry mouth?

Among these 20 people:

How long have people been on Phentermine hydrochloride when they have Dry mouth? *

What is the gender of people who have Dry mouth when taking Phentermine hydrochloride? *

female: 100 %
male: 0.0 %

What is the age of people who have Dry mouth when taking Phentermine hydrochloride? *

What are other drugs people take besides Phentermine hydrochloride? *

Fastin: 4 people, 20.00%
Omeprazole: 3 people, 15.00%
Buspirone Hcl: 3 people, 15.00%
Fluticasone Propionate: 3 people, 15.00%
Zofran: 2 people, 10.00%
Bupropion Hydrochloride: 2 people, 10.00%
Cevimeline Hydrochloride: 2 people, 10.00%
Crysvita: 2 people, 10.00%
Cyanocobalamin: 2 people, 10.00%
Fentanyl Transdermal System: 2 people, 10.00%

What are other side effects people have besides Dry mouth? *

Drug Ineffective: 8 people, 40.00%
Fatigue (feeling of tiredness): 7 people, 35.00%
Chest Pain: 3 people, 15.00%
Headache (pain in head): 3 people, 15.00%
Sedation: 3 people, 15.00%
Mitral Valve Incompetence (inefficient heart valve): 3 people, 15.00%
Mouth Ulcers: 2 people, 10.00%
Joint Pain: 2 people, 10.00%
International Normalised Ratio Increased: 2 people, 10.00%
Dyspnea Exertional: 2 people, 10.00%

What are the existing conditions these people have? *

Weight Decreased: 3 people, 15.00%
Tremor (trembling or shaking movements in one or more parts of your body): 1 person, 5.00%
Stress And Anxiety: 1 person, 5.00%
High Blood Pressure: 1 person, 5.00%
High Blood Cholesterol: 1 person, 5.00%
Endocrine Ophthalmopathy (increased water content of retroocular orbital tissues; associated with thyroid disease, usually hyperthyroidism): 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

Do you take Phentermine hydrochloride and have Dry mouth?

- Check whether Dry mouth 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 Phentermine hydrochloride:

Phentermine hydrochloride (2,399 reports)

Dry mouth treatments and more:

Dry mouth (97,956 reports)

Browse all side effects of Phentermine hydrochloride:

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 Dry mouth:

Dry mouth (2,090 drugs)

Browse all the conditions that are associated with Dry mouth:

Dry mouth (2,492 conditions)

How the study uses the data?

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