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Cipro dosage: A detailed guide

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Doctors prescribe Cipro for certain bacterial infections. You typically take it by mouth once every 12 hours.
Medically reviewed by Fallon Mumford, PharmD
Updated on

This article describes Cipro’s dosages and strengths and gives details on how to take it. You’ll also find information on cost savings and coupon options for Cipro. If you want to know more about Cipro, see this overview article. It covers details about the drug’s uses and side effects, ways to save on cost, and more.

Cipro is a brand-name medication that comes as an oral tablet and liquid suspension (a liquid mixture). It’s available in a generic version called ciprofloxacin. This article describes dosages of Cipro.

Boxed warnings

This drug has boxed warnings about the risk of serious side effects and use in people with myasthenia gravis. A boxed warning is the most serious warning from the Food and Drug Administration (FDA).

See the end of this article for more information about these warnings.

Forms and strengths of Cipro

Cipro comes in the following forms and strengths. The strengths are in milligrams (mg) and milligrams per milliliter (mg/mL)

FormHow to takeStrengths
oral tablettake by swallowing• 250 mg
• 500 mg
liquid suspension (a liquid mixture)take by swallowing• 250 mg/5 mL
• 500 mg/5 mL

Dosage of Cipro

This article describes the recommended dosages for Cipro. The drugmaker provides these dosages.

If your doctor prescribes this medication, you should follow the dosage they prescribe. Your doctor will determine the dosage that best meets your needs. Do not change your dosage of Cipro without your doctor’s recommendation.

Usual recommended dosages of Cipro in adults

Dosage for certain bacterial infections

The following table outlines the recommended dosages of Cipro for adults, including the dosage for a urinary tract infection (UTI).

ConditionRecommended dosageTreatment length
skin infections500–750 mg every 12 hours 7–14 days
bone and joint infections500–750 mg every 12 hours 4–8 weeks
stomach infections500 mg every 12 hours7–14 days
diarrhea500 mg every 12 hours5–7 days
UTI250–500 mg every 12 hours7–14 days
gonorrhea of the cervix or urethra250 mg as a single dosesingle dose
bladder infections250 mg every 12 hours3 days
sinus infections500 mg every 12 hours10 days
chronic (long-term) prostatitis500 mg every 12 hours28 days
lower respiratory tract infections500–750 mg every 12 hours 7–14 days
typhoid fever500 mg every 12 hours10 days
inhalation anthrax500 mg every 12 hours60 days
plague500–750 mg every 12 hours 14 days

Dosages of Cipro in children

Doctors will typically prescribe Cipro liquid suspension (a liquid mixture) for certain types of bacterial infections in children.

The following table outlines the recommended dosages of Cipro for children. Your child’s doctor will prescribe a dosage based on their body weight. The dosages listed are in milligrams per kilogram (mg/kg). For reference, 1 kg is about 2.2 pounds (lb).

Age ConditionRecommended dosageMaximum doseTreatment length
1–17 years of agecomplicated UTI and kidney infections10–20 mg/kg every 12 hours750 mg per dose10–21 days
under 18 years of ageinhalation anthrax15 mg/kg every 12 hours500 mg per dose60 days
under 18 years of ageplague15 mg/kg every 8–12 hours500 mg per dose14 days

Dosage adjustments for Cipro

Your doctor will prescribe a dosage of Cipro based on several factors. These include:

  • the specific condition being treated and how severe it is
  • your age
  • other health conditions you may have

Missed dose of Cipro

Talk with your doctor or pharmacist right away if you realize you forgot to take a dose of Cipro. They may advise you to take the missed dose. Or they may advise you to skip it and take your next dose as scheduled.

For tips on how to plan your doses of Cipro and avoid missing a dose, read this article. You could also try:

  • downloading a reminder app on your phone
  • setting an alarm
  • putting a note where you’ll see it, such as on your calendar, bathroom mirror, or bedside table

Frequently asked questions

Below are answers to some commonly asked questions about Cipro and its dosage.

How does the dosage of Cipro compare with the dosage of Bactrim?

Cipro and Bactrim are both antibiotics used to treat certain bacterial infections. This includes UTIs and chronic bronchitis flare-ups.

The table below shows the recommended dosages of both Cipro and Bactrim for certain bacterial infections in adults.

ConditionCipro dosage for adultsBactrim dosage for adults
UTIs250–500 mg every 12 hours for 7–14 days1 Bactrim DS* tablet or 2 Bactrim† tablets every 12 hours for 10–14 days
chronic bronchitis flare-up500–750 mg every 12 hours for 7–14 days1 Bactrim DS* tablet or 2 Bactrim† tablets every 12 hours for 14 days

* Bactrim double strength (DS) tablets contain 800 mg sulfamethoxazole/160 mg trimethoprim.
† Bactrim tablets contain 400 mg sulfamethoxazole/80 mg trimethoprim.

Talk with your doctor if you have further questions about how the dosage of Cipro compares with the dosage of Bactrim, including the dosage for children.

Is Cipro taken long term?

No, doctors don’t typically prescribe Cipro as a long-term treatment. Instead, it’s usually recommended for short-term use.

If you have questions about how long you should take Cipro, talk with your doctor.

How Cipro is taken

You’ll typically swallow Cipro once every 12 hours, as prescribed by your doctor. You can take it with or without food.

Be sure not to take Cipro with any dairy products or juices that are fortified with calcium. Doing so may prevent your body from absorbing the medication properly. This can make the drug less effective. You should take Cipro at least 2 hours before or after consuming these types of products.

Your doctor may advise that you take this medication around the same time each day. This helps keep a consistent amount of the drug in your body. And that can help the drug work more effectively.

Cipro tablets are scored, which means they can be cut in half on the score line (groove) if needed. If it’s hard for you to swallow tablets, view this article. It provides suggestions on how to swallow medications that come in pill form.

Also, be sure to talk with your doctor or pharmacist if you’re having difficulty taking your medication. They can offer recommendations about taking it.

Cipro coupon

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Overdose of Cipro

It’s important that you do not take more Cipro than your doctor prescribes. Doing so can lead to harmful effects.

Symptoms of Cipro overdose

Symptoms of an overdose can include kidney problems.

What to do if you take too much Cipro

If you think you’ve taken too much Cipro, call your doctor or pharmacist right away. Or you could call 800-222-1222 to speak with someone at America’s Poison Centers. You can also use its online resource. If you have severe symptoms, call 911 or a local emergency number immediately. You can also go to the closest emergency room.

What to ask your doctor

This article describes the usual recommended dosages for Cipro. If your doctor prescribes this medication, they’ll determine the dosage that’s best for you.

Do not change your dosage of Cipro without your doctor’s recommendation. You should take Cipro exactly as your doctor prescribes it. Let your doctor know if you have concerns or questions about your treatment plan.

Here’s a list of some possible questions you may want to ask your doctor:

  • How long will I need to take Cipro?
  • Will my dosage of Cipro change if I take other drugs with it?
  • Is it safe to take Cipro at the same time as my other medications?

Boxed warnings for Cipro

This drug has boxed warnings about the risk of certain serious side effects and the worsening of muscle weakness in people with myasthenia gravis. A boxed warning is the most serious warning from the FDA.

Risk of serious side effects. Cipro can cause serious and, in some cases, permanent side effects, such as:

These side effects can occur within hours to weeks after starting treatment with Cipro, in people of all ages.

Due to this risk, your doctor will likely only prescribe Cipro for bladder infections, sinus infections, and chronic bronchitis flare-ups if there are no other treatment options available. You should stop Cipro right away and contact your doctor if you develop any serious side effects.

Risk of use in people with myasthenia gravis. Cipro can worsen muscle weakness in people with myasthenia gravis. Due to this risk, your doctor typically won’t prescribe Cipro if you have a history of this condition.

If you have any questions about these boxed warnings, talk with your doctor or pharmacist.

Disclaimer: Optum Perks has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.

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