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Dictionary · Drug

ciprofloxacin

A fluoroquinolone antibiotic, by mouth or IV, used for urinary, gut, bone and some lung infections.

sip-roh-FLOK-suh-sin nounBoxed warning

What it means

A broad-spectrum antibiotic that stops bacteria from copying their DNA. Its boxed warning covers tendon inflammation and rupture (more likely over age 60, with corticosteroids or after a transplant), nerve damage, mental and nervous system effects, and worsening of myasthenia gravis. It can also lengthen the QT interval, change blood sugar and make the skin sun-sensitive.

For the nurse

Teach the client to stop the drug and call the provider for tendon pain or swelling (often the back of the heel), numbness or tingling. Take it apart from antacids, iron, calcium, zinc and dairy-only drinks, as directed, and drink plenty of fluids.

At a glance

Drug classfluoroquinolone antibiotic
Brand namesCipro
Spanishciprofloxacino
Also writtenCipro

Related terms

urinary tract infection

An infection anywhere in the urinary tract: the kidneys, ureters, bladder or urethra.

antibiotic

A drug that kills bacteria or stops them from growing.

tendon

A tough cord of tissue that attaches a muscle to a bone.

Achilles tendon

The thick tendon at the back of the ankle that joins the calf muscles to the heel bone.

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