Duphalac and Muscle aches - a phase IV clinical study of FDA data

Summary:

Muscle aches is reported as a side effect among people who take Duphalac (lactulose), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Crestor, and have High blood pressure.

The phase IV clinical study analyzes which people have Muscle aches when taking Duphalac. It is created by eHealthMe based on reports of 5,136 people who have side effects when taking Duphalac from the FDA, and is updated regularly.

What is Duphalac?

Duphalac has active ingredients of lactulose. It is often used in constipation. eHealthMe is studying from 5,152 Duphalac users. Check the latest studies of Duphalac.

What is Muscle aches?

Muscle aches (muscle pain) is found to be associated with 2,724 drugs and 3,746 conditions by eHealthMe. Check the latest studies of Muscle aches.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Sep, 02, 2026

5,136 people reported to have side effects when taking Duphalac.
Among them, 31 people (0.6%) have Muscle aches.

Among these 31 people:

How long have people been on Duphalac when they have Muscle aches? *

What is the gender of people who have Muscle aches when taking Duphalac? *

female: 64.52 %
male: 35.48 %

What is the age of people who have Muscle aches when taking Duphalac? *

What are other drugs people take besides Duphalac? *

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

Blood Creatine Phosphokinase Increased: 12 people, 38.71%
Dyspnea (difficult or laboured breathing): 11 people, 35.48%
Axonal Neuropathy (dysfunction of axon nerves): 10 people, 32.26%
Chronic Renal Failure (kidney failure): 10 people, 32.26%
Pain: 9 people, 29.03%
Chest Pain: 8 people, 25.81%
Pain In Extremity: 7 people, 22.58%
Muscle Spasms (muscle contraction): 7 people, 22.58%
Oedema Peripheral (superficial swelling): 7 people, 22.58%
Fatigue (feeling of tiredness): 7 people, 22.58%

What are the existing conditions these people have? *

High Blood Pressure: 15 people, 48.39%
High Blood Cholesterol: 11 people, 35.48%
Osteoporosis (bones weak and more likely to break): 10 people, 32.26%
Myocardial Ischaemia (the blood flow through one or more of the blood vessels that lead to heart (coronary arteries) is decreased): 6 people, 19.35%
Temporal Arteritis (inflammation and damage to blood vessels that supply the head area): 6 people, 19.35%
Dyslipidaemia (abnormal amount of lipids): 6 people, 19.35%
Gastric Ulcer (stomach ulcer): 6 people, 19.35%
Heart Disease: 6 people, 19.35%
Nephropathy (damage to or disease of a kidney): 6 people, 19.35%
Gastroduodenal Ulcer: 4 people, 12.90%

* Approximation only. Some reports may have incomplete information.

Do you take Duphalac and have Muscle aches?

- Check whether Muscle aches 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 Duphalac:

Duphalac (5,152 reports)

Muscle aches treatments and more:

Muscle aches (219,259 reports)

Browse all side effects of Duphalac:

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 aches:

Muscle aches (2,724 drugs)

Browse all the conditions that are associated with Muscle aches:

Muscle aches (3,746 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on lactulose (the active ingredients of Duphalac) and Duphalac (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.