Can I take Allopurinol bp and Ramipril together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
- DownloadDownload
- Share
- Language
- Discussion
- Audio Version
Taking these two medicines together can increase the risk of a rare but serious allergic reaction. It may also increase the risk of blood disorders, where your body doesn't make enough white blood cells, making you more likely to get infections.
In this article:
Video picks for Drug interactions
Continue reading below
Why this happens
Both medicines can affect the immune system and how the body handles certain proteins. When combined, they can cause the immune system to overreact or interfere with the production of blood cells in the bone marrow.
What you should do
Back to contentsYou can usually take these together, but you must be monitored closely by your doctor. Seek medical help immediately if you develop a skin rash, hives, swelling of the face or tongue, a sore throat, or a fever. Your doctor may want to perform regular blood tests to check your blood cell counts.
Continue reading below
Using other medicines
Back to contentsTaking 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 1.0mg and Amlodipine together?
Taking sildenafil (Viagra) and amlodipine together can cause your blood pressure to drop lower than intended. This may make you feel dizzy, lightheaded, faint, or cause a headache.

Treatment and medication
Can I take Desmopressin and Ketoconazole together?
Taking these two medicines together can significantly increase the amount of desmopressin in your blood. This can lead to your body holding onto too much water, which can cause a dangerous drop in your blood salt levels (hyponatraemia). Symptoms to watch for include severe headache, nausea, vomiting, confusion, or feeling very drowsy.
Continue reading below
Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 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.