Neomycin/polymyxin B (By injection)

Neomycin (nee-oh-MYE-sin), Polymyxin B (pol-ee-MIX-in B)

Prevents bladder infections caused by bacteria from an indwelling urinary catheter. An indwelling urinary catheter is a thin rubber tube that is placed and left in your bladder to drain urine out of your body.

Brand Name(s):

Neosporin G.U. Irrigant

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not receive this medicine if you have had an allergic reaction to neomycin, polymyxin B, or certain antibiotics (such as amikacin, gentamicin, kanamycin, netilmicin, streptomycin, tobramycin, Garamycin®, Netromycin®, Tobrex®). You should not receive this medicine if you are pregnant.

How to Use This Medicine:

Injectable

Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given through your urinary catheter.
A nurse or other trained health professional will give you this medicine.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Warnings While Using This Medicine:

Make sure your doctor knows if you are breast feeding, or if you have kidney disease.
Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Change in how much you urinate.
Pain in your side or lower back.
Ringing in your ears.

If you notice these less serious side effects, talk with your doctor:

Burning or stinging of your skin around the catheter.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Last Updated: 1/27/2017