Warning Signs of Fluoroquinolone Toxicity


Almost every time I mention how Cipro messed me up, I get the response, “Oh yeah, I’ve taken that – it doesn’t affect me.”  To which I respond, “I took it several times before I reacted to it too.  My body went completely hay-wire the second time I took Cipro.   Don’t take it again.”

Adverse reactions to fluoroquinolones aren’t allergic reactions, they’re something else.  The pathology of adverse reactions to fluoroquinolones is unknown – to anyone (or, if someone knows, they’re not publishing research papers about it).  My guesses to the pathology can be found athttp://floxiehope.com/2013/06/20/what-is-fluoroquinolone-toxicity/.

Unlike allergic reactions, adverse reactions to fluoroquinolones often occur long after the fluoroquinolone use has stopped.  Antihistamines do nothing to stop an adverse reaction to a fluoroquinolone (though they may be able to help with some of the inflammation symptoms and they don’t seem to hurt most Floxies).

Though some people react to their first dose of a fluoroquinolone, many don’t, which leads them to falsely believe that these drugs are safe and that they won’t react to them in the future.  Unfortunately, an adverse reaction to a fluoroquinolone can occur even if (maybe especially if – because there is (anecdotal) evidence that fluoroquinolones accumulate in the body and that there is a “tipping point” at which the body overloads) they have been taken with no adverse reaction in the past.

Looking back, I had some of these warning signs after I took Cipro the first time, in 2010.  My eyelid twitched and I developed strange, but passing, abdominal cramping.  I experienced a “weak bladder” that I attributed to genetics and age.  I had itchy legs at times and just thought it was dry skin.  I didn’t connect any of these things to the prescription antibiotics that I took to treat a urinary tract infection.

If I had connected those symptoms to the fluoroquinolones, I may have been able to avoid taking Cipro again, and I may have avoided the pain and suffering that I went through starting in December, 2011.  (http://floxiehope.com/lisas-story/).  I hope that this list of minor symptoms serves as a warning to you.




One thought on “Warning Signs of Fluoroquinolone Toxicity

  1. I took Levofloxacin 750 as prescribed by my Dr. For pneumonia and I had to struggle to get through the 5 day treatment and yes it cleared the pneumonia I’ve since developed a problem with my central nervous system, I constantly feel antsy with a buzzing in my head. I it’ been 12 days from my last dose and it’s driving me to exaustion. I told my primary about this on a follow up and he did not say much but we’ll try something different next time.
    I hope this is not permanent and will subside soon because it’s hard to go to work like this.

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