Ultracet and Muscle strain - a phase IV clinical study of FDA data

Summary:

Muscle strain is reported as a side effect among people who take Ultracet (acetaminophen; tramadol hydrochloride), especially for people who are female, 40-49 old, also take Vicodin, and have Muscle spasms.

The phase IV clinical study analyzes which people have Muscle strain 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 Muscle strain?

Muscle strain (an injury to a muscle in which the muscle fibres tear) is found to be associated with 923 drugs and 828 conditions by eHealthMe. Check the latest studies of Muscle strain.

On Aug, 02, 2026

6,139 people reported to have side effects when taking Ultracet.
Among them, 33 people (0.54%) have Muscle strain.

Among these 33 people:

What is the gender of people who have Muscle strain when taking Ultracet? *

female: 93.75 %
male: 6.25 %

What is the age of people who have Muscle strain when taking Ultracet? *

What are other drugs people take besides Ultracet? *

What are other side effects people have besides Muscle strain? *

Fall: 23 people, 69.70%
Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body): 20 people, 60.61%
Renal Cyst (kidney cyst): 20 people, 60.61%
Osteoarthritis (a joint disease caused by cartilage loss in a joint): 18 people, 54.55%
Joint Pain: 18 people, 54.55%
Injury: 17 people, 51.52%
Lipoma (a growth of fatty tissue that slowly develops just under your skin): 17 people, 51.52%
Head Injury: 17 people, 51.52%
Bone Disorder: 17 people, 51.52%
Stress And Anxiety: 17 people, 51.52%

What are the existing conditions these people have? *

Muscle Spasms (muscle contraction): 12 people, 36.36%
Breast Cancer: 11 people, 33.33%
Breast Cancer Metastatic: 11 people, 33.33%
Constipation: 11 people, 33.33%
Metastases To Bone (cancer spreads to bone): 11 people, 33.33%
Birth Control: 3 people, 9.09%
Ovarian Cysts (fluid filled sacs of the ovary): 3 people, 9.09%
Osteoporosis (bones weak and more likely to break): 3 people, 9.09%
Osteoporosis Post-Menopausal (weak bone with possibility to break after stopped menstrual cycles): 2 people, 6.06%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 6.06%

* Approximation only. Some reports may have incomplete information.

Do you take Ultracet and have Muscle strain?

- Check whether Muscle strain 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)

Muscle strain treatments and more:

Muscle strain (12,853 reports)

How severe was Muscle strain and when was it recovered:

Muscle strain in Ultracet

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

Muscle strain and drugs with ingredients of acetaminophen; tramadol hydrochloride

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 Muscle strain:

Muscle strain (923 drugs)

Browse all the conditions that are associated with Muscle strain:

Muscle strain (828 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.