Unasyn and Weight increased - a phase IV clinical study of FDA data

Summary:

Weight increased is reported as a side effect among people who take Unasyn (ampicillin sodium; sulbactam sodium), especially for people who are female, 50-59 old, have been taking the drug for < 1 month also take Zometa, and have Lung cancer - non-small cell.

The phase IV clinical study analyzes which people have Weight increased when taking Unasyn. It is created by eHealthMe based on reports of 4,454 people who have side effects when taking Unasyn from the FDA, and is updated regularly.

What is Unasyn?

Unasyn has active ingredients of ampicillin sodium; sulbactam sodium. eHealthMe is studying from 4,474 Unasyn users. Check the latest studies of Unasyn.

What is Weight increased?

Weight increased is found to be associated with 2,889 drugs and 3,947 conditions by eHealthMe. Check the latest studies of Weight increased.

On Jun, 17, 2026

4,454 people reported to have side effects when taking Unasyn.
Among them, 36 people (0.81%) have Weight increased.

Among these 36 people:

How long have people been on Unasyn when they have Weight increased? *

What is the gender of people who have Weight increased when taking Unasyn? *

female: 75 %
male: 25 %

What is the age of people who have Weight increased when taking Unasyn? *

What are other drugs people take besides Unasyn? *

What are other side effects people have besides Weight increased? *

Stress And Anxiety: 23 people, 63.89%
Pain: 23 people, 63.89%
Fever: 21 people, 58.33%
Fall: 21 people, 58.33%
Osteonecrosis Of Jaw (death of bone of jaw): 21 people, 58.33%
Weight Decreased: 20 people, 55.56%
Bone Disorder: 20 people, 55.56%
Musculoskeletal Pain (pain affects the bones, muscles, ligaments, tendons, and nerves): 19 people, 52.78%
Dizziness: 19 people, 52.78%
Dyspnea Exertional: 18 people, 50.00%

What are the existing conditions these people have? *

Hypercalcaemia Of Malignancy (elevated calcium (ca+) level in the blood with cancer): 11 people, 30.56%
Lung Cancer - Non-Small Cell (lung cancer): 11 people, 30.56%
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection): 7 people, 19.44%
Breast Cancer: 7 people, 19.44%
Fibromyalgia (a long-term condition which causes pain all over the body): 7 people, 19.44%
Neuropathy Peripheral (surface nerve damage): 7 people, 19.44%
Pain: 6 people, 16.67%
Pneumonia: 3 people, 8.33%
Spinal Muscular Atrophy (wasting of spinal muscles): 3 people, 8.33%
Radiation Injury (injuries are caused by radiation): 2 people, 5.56%

* Approximation only. Some reports may have incomplete information.

Do you take Unasyn and have Weight increased?

- Check whether Weight increased is associated with a drug or a condition
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Unasyn:

Unasyn (4,474 reports)

Weight increased treatments and more:

Weight increased (279,367 reports)

How severe was Weight increased and when was it recovered:

Weight increased in Unasyn

Expand to all the drugs that have ingredients of ampicillin sodium; sulbactam sodium:

Weight increased and drugs with ingredients of ampicillin sodium; sulbactam sodium (44 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 Unasyn:

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 Weight increased:

Weight increased (2,889 drugs)

Browse all the conditions that are associated with Weight increased:

Weight increased (3,947 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on ampicillin sodium; sulbactam sodium (the active ingredients of Unasyn) and Unasyn (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.