Ultracet and Feeling hot - a phase IV clinical study of FDA data

Summary:

Feeling hot is reported as a side effect among people who take Ultracet (acetaminophen; tramadol hydrochloride), especially for people who are female, 60+ old, also take Prednisone, and have High blood cholesterol.

The phase IV clinical study analyzes which people have Feeling hot when taking Ultracet. It is created by eHealthMe based on reports of 6,139 people who have side effects when taking Ultracet from the FDA, and is updated regularly.

What is Ultracet?

Ultracet has active ingredients of acetaminophen; tramadol hydrochloride. It is often used in pain. eHealthMe is studying from 6,351 Ultracet users. Check the latest studies of Ultracet.

What is Feeling hot?

Feeling hot is found to be associated with 1,884 drugs and 1,900 conditions by eHealthMe. Check the latest studies of Feeling hot.

On Aug, 11, 2026

6,139 people reported to have side effects when taking Ultracet.
Among them, 29 people (0.47%) have Feeling hot.

Among these 29 people:

What is the gender of people who have Feeling hot when taking Ultracet? *

female: 92.86 %
male: 7.14 %

What is the age of people who have Feeling hot when taking Ultracet? *

What are other drugs people take besides Ultracet? *

What are other side effects people have besides Feeling hot? *

Nausea (feeling of having an urge to vomit): 11 people, 37.93%
Headache (pain in head): 7 people, 24.14%
Nausea And Vomiting: 7 people, 24.14%
Diarrhea: 6 people, 20.69%
Abdominal Pain: 6 people, 20.69%
Rashes (redness): 6 people, 20.69%
Dizziness: 5 people, 17.24%
Vaginal Bleeding: 5 people, 17.24%
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body): 5 people, 17.24%
Fatigue (feeling of tiredness): 4 people, 13.79%

What are the existing conditions these people have? *

High Blood Cholesterol: 4 people, 13.79%
Fibromyalgia (a long-term condition which causes pain all over the body): 3 people, 10.34%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 10.34%
High Density Lipoprotein Decreased: 2 people, 6.90%
Osteoporosis (bones weak and more likely to break): 2 people, 6.90%
Neuropathy Peripheral (surface nerve damage): 2 people, 6.90%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 2 people, 6.90%
Thyroid Cancer: 1 person, 3.45%
Joint Pain: 1 person, 3.45%
Bone Scan Abnormal: 1 person, 3.45%

* Approximation only. Some reports may have incomplete information.

Do you take Ultracet and have Feeling hot?

- Check whether Feeling hot 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 Ultracet:

Ultracet (6,351 reports)

Feeling hot treatments and more:

Feeling hot (69,226 reports)

How severe was Feeling hot and when was it recovered:

Feeling hot in Ultracet

Expand to all the drugs that have ingredients of acetaminophen; tramadol hydrochloride:

Feeling hot and drugs with ingredients of acetaminophen; tramadol hydrochloride (85 reports)

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 Ultracet:

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 Feeling hot:

Feeling hot (1,884 drugs)

Browse all the conditions that are associated with Feeling hot:

Feeling hot (1,900 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on acetaminophen; tramadol hydrochloride (the active ingredients of Ultracet) and Ultracet (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.