Ciprofloxacin and ibrutinib

Hi going well on ibrutinib nodes shrinking fast but on my 2 week check up yesterday' my consultant gave me ciprofloxacin as I have a stubborn chest infection he said it was fine to take with ibrutinib etc. But just checked the CLLSA site and on the site it flags up the a reduced dose of ibrutinib should be taken with ciprofloxacin I suppose my consultant who is very experienced knows best but a worry all the same


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19 Replies

  • Hmmm. Does it suggest how much to reduce by? Are you on 3 a day which I think is 420mg?

  • Yes I'm on 3 a day just phoned the hospital and they said it's fine ignore what's on the website but they understood my concern

  • Always best to check and they are always happy to help. Hope it clears up soon. X

  • Dose reduction is listed on the Ibrutinib Drug Label.. it should be heeded... in my experience

    As an early adopter of Imbruvica (ibrutinib) , it can mimic a UTI, and I was put on Ciprofloxacin, for it...

    Ciprofloxacin needs to be used with caution at the best of times and it needs a dose reduction of Imbruvica (ibrutinib), probably an alternative antibiotic should be used...

    It turned my urethera into aware...


  • I'm confused Chris I agree it states dose reduction but just phoned the hospital and they said ignore it and that it is fine

  • I would speak to your doctor directly, on this matter, not support staff.. if he OKs it ...then no problem...


  • Well it was my consultant at the hospital who put me on it. He is very experienced with cll there was a fellow under doctor with him who questioned it but he said it is fine as it takes a different pathway so I'm confused I can only assume it's OK in certain cases I'm on a 7 day course

  • I can only tell you my experience and what I read...

    Reduce IMBRUVICA dose to 140 mg if a moderate CYP3A inhibitor must be used (e.g., fluconazole, darunavir, erythromycin, diltiazem, atazanavir, aprepitant, amprenavir, fosamprenavir, crizotinib, imatinib, verapamil, and ciprofloxacin) [see Drug Interactions (7.1)].


  • It may be that as it's only a 7 day course they feel you will be ok. Just be extra vigilant about bruising etc and let them know if you get any changes to what is 'normal' for you.

  • Please be aware of the other ramifications of Antibiotics when your immune system is compromised. My side effect of these 2 situations was a long lasting case of Oral Thrush. It's common, and treatable, but really annoying. Timing, and "half Life" of most meds is very important. I believe that the half life of Imbruvica is about 5 hours, so taking the antibiotics is very tricky, but it helped me to try. Hope this helps a bit, and sorry if it makes it even more confusing. Ask all the people who specialize in your CLL all the questions. Eventually you get sufficient info to make a more informed decision FOR YOU. That's why this site is soo great.

  • Try a different antibiotic - Cipro is bad news - I took it for an infection and regretted it - please google it for its contraindications etc

  • Please don't take Cipro unless you have absolutely no choice. It can cause terrible Adverse reactions, some of which may be permanent.

    f you can change your post so it's visible only to this community, I'm able say more, or you could search for all I've written about it here. Sorry but I don't want to be visible on Google or any other search engine.

    sparkler x

  • I would NOT take Cipro with ibrutinib. There are plenty of antibiotics to use for your condition. I believe Augmentin works very well on chest infections. Why mess around with the dosage when something else can work? Doctors are human. You need to be the best advocate for your health. Good luck.

  • I am also on imbruvica and have 2 very good doctors who plan ahead if things go wrong. I was told by both of them that it was ok for me to take Cipro or Levofloxacin. It is great that I have not needed them but also good to know that they are there if needed. They have to take into account many factors before changing the dose of your meds. You need to go with what they tell you because they are the ones that have MD after there names.

  • I am going with the advice of my consultant and I have not had to reduce dosage it has given me food for thought as there is other information out there but I trust him and he is very experienced in this field thanks for replying

  • There is a Facebook page "Fluoroquinolone toxicity group".

  • I know your post was 4 months ago but I just wanted to respond -so my experience might help someone out there. A year ago I was put on Ciproflaxen after an infection. I had also been taking Ibrutinib for a year previously. The Cipro caused a major drug interaction with the ibrutinib. I got huge- 2 inch long, blisters all over my feet. They were probably 1/2 inch thick and water filled. At that time they didn't know of the adverse reaction taking Ibrutinib and cipro together could cause

  • Well I had no reaction and it cleared up a nasty chest infection I posted it as I was concerned but both the hospital and doctor gave me the ok and it worked but thanks

  • Glad it worked for you...

    Cipro in combination with ibrutinib has caused me permanent damage to my urethera.

    I would be pissed off...if I could urinate... ☹️


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