Can I take Lactulose and Ripinrole together?
Drug interaction guide
Originally published 25 Jan 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
There are no known direct interactions between lactulose and ropinirole. It is generally safe to take these two medicines together.
In this article:
Continue reading below
Why this happens
Lactulose is a laxative that stays in the bowel and is not absorbed into the bloodstream. Ropinirole is absorbed into the blood to treat Parkinson's disease or Restless Legs Syndrome. Because they work in different parts of the body and are processed through different pathways, they do not interfere with each other.
What you should do
You can continue taking both medicines as prescribed. However, if you experience severe diarrhoea from the lactulose, this could theoretically affect how other medicines are absorbed. If you have persistent diarrhoea, speak to your doctor or pharmacist.
Continue reading below
Using other medicines
Taking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
Patient picks for Drug interactions

Treatment and medication
Can I take Lions mane and Reishi together?
Taking Lion's Mane and Reishi together is generally considered safe for most people. However, both mushrooms have mild blood-thinning properties and can lower blood sugar levels. When taken together, these effects might be slightly stronger, though they are unlikely to cause problems for healthy individuals.

Treatment and medication
Can I take Amitriptyline and Zopiclone together?
Taking amitriptyline and zopiclone together can make you feel extremely drowsy, dizzy, and confused. It significantly increases the risk of falling over, especially in the dark or when getting out of bed at night. It can also cause your breathing to become very slow or shallow, and may lead to severe coordination problems.
Continue reading below
Article history
The information on this page is written and peer reviewed by qualified clinicians.
25 Jan 2026 | Originally published

Ask, share, connect.
Browse discussions, ask questions, and share experiences across hundreds of health topics.

Feeling unwell?
Assess your symptoms online for free
Sign up to the Patient newsletter
Your weekly dose of clear, trustworthy health advice - written to help you feel informed, confident and in control.
By subscribing you accept our Privacy Policy. You can unsubscribe at any time. We never sell your data.