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Ciprofloxacin Antibiotic Information
Ciprofloxacin is available only by prescription and is approved for treating a wide variety of bacterial infections. As a type of fluoroquinolone, it works to kill bacterial infections by interfering with certain enzymes that the bacteria need to multiply.
This antibiotic is not appropriate for everyone; your healthcare provider needs complete information on your medical history and what medications you are taking before prescribing ciprofloxacin.
Although many people do not have any problems while taking ciprofloxacin, side effects can occur and may include nausea, headaches, and diarrhea. The possible reactions to this antibiotic will depend on which form of the drug you are taking. In general, most negative reactions tend to be mild and easily treated.
Ciprofloxacin comes in several forms, including:
- Tablets
- Ear drops
- Extended-release tablets
- An oral liquid suspension
- An intravenous (IV) solution
- An ophthalmic (eye) solution and ointment.
(Click Ciprofloxacin for more information on this antibiotic. This article covers how this medicine works, discusses specific uses, and offers some safety precautions to be aware of before beginning treatment.)
Written by/reviewed by: Arthur Schoenstadt, MD
Last reviewed by: Arthur Schoenstadt, MD



