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 New Mexico AIDS InfoNet

Fact Sheet Number 531

CIPROFLOXACIN (Cipro)


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WHAT IS CIPROFLOXACIN?

Ciprofloxacin, also called Cipro®, is an antibiotic drug.

Antibiotics fight infections caused by bacteria. Cipro fights

many different bacteria. It is also used to fight some opportunistic

infections in people with HIV. Bayer Corporation manufactures

it.


WHY DO PEOPLE

WITH HIV TAKE CIPRO?

Cipro is used for a wide range of bacterial infections. It works

against many different bacteria. Cipro works against some bacteria

that are resistant to other antibiotics, including penicillin.

Many germs live in our bodies or are common in our surroundings.

A healthy immune system can fight them off or keep them under

control. However, HIV infection can weaken the immune system.

Infections that take advantage of weakened immune defenses are

called “opportunistic infections.” People with advanced

HIV disease can get opportunistic infections. See Fact

Sheet 500 for more information on Opportunistic

Infections.

One opportunistic infection in people with HIV is MAC. This

stands for mycobacterium avium complex. See Fact

Sheet 510 for more information on MAC.

People who have a T-cell count of less than 75 may develop MAC.

Cipro is often used along with other antibiotics to treat MAC.

If your T-cell count is below 75, talk to your doctor about using

Cipro.

Some people are allergic to Cipro and similar antibiotics.

Be sure to tell your doctor if you are allergic to any antibiotics.


WHAT ABOUT DRUG RESISTANCE?

Whenever you take medication, be sure to take all of the prescribed

doses. Many people stop if they feel better. This is not a good

idea. If the drug doesn’t kill all of the germs, they might change

(mutate) so that they can survive even when you are taking medications.

When this happens, the drug will stop working. This is called

“developing resistance” to the drug.

For example, if you are taking Cipro to fight MAC and you miss

too many doses, the MAC in your body could develop resistance

to Cipro. Then you would have to take a different drug or combination

of drugs to fight MAC.


HOW IS CIPRO TAKEN?

Cipro is available in several different strength tablets. They

contain between 100 milligrams (mg) and 750 mg of Cipro. It is

also available in a liquid form. Cipro is taken every 12 hours.

The dose of Cipro and the length of time you will take it depend

on the type of infection you have.

Cipro tablets can be taken with or without food. Take them

with plenty of water. Drink lots of water while you are taking

Cipro to make sure the drug doesn’t accumulate in your kidneys.

Do not take Cipro at the same time as antacids that contain

aluminum or magnesium. They will reduce the amount of Cipro in

your blood.


WHAT ARE THE SIDE

EFFECTS?

The most common side effects of Cipro are nausea, diarrhea, vomiting,

abdominal pain or discomfort, headache, rash and restlessness.

It can also cause dizziness and drowsiness. Very few people who

take Cipro get these side effects. However, most anti-HIV medications

also cause problems in the digestive system. Cipro could make

these problems worse.

Cipro makes some people very sensitive to sunlight. It increases

the effects of caffeine and can make you very jittery and nervous.

In rare cases, Cipro causes an allergic reaction that can be serious.

Antibiotics kill some helpful bacteria that normally live in

the digestive system. You can eat yogurt or take supplements of

acidophilus to replace them.


HOW DOES CIPRO

REACT WITH OTHER DRUGS?

Cipro is not broken down by the liver. This means that it does

not have many interactions with HIV antiviral medications. However,

it is still a good idea to tell your doctor about all the medications

you are taking.

Antacids that contain aluminum or magnesium can lower blood

levels of Cipro. Do not take antacids at the same time as Cipro.

Supplements that contain calcium, iron, or zinc can also reduce

levels of Cipro. Do not take them while you are taking Cipro.

Ask your doctor whether you should keep taking multivitamins that

contain iron, calcium or zinc while you are taking Cipro.

Probenecid is a drug used to lower uric acid levels. This is

a treatment for gout. Probenecid causes large increases in the

blood levels of Cipro.

Cipro can increase methadone levels, possibly causing a serious

overdose.


Reviewed May 8, 2002

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