Skip to main content

Colistimethate (Injection route)

Pronunciation:

koe-lis-ti-METH-ate SOE-dee-um

Brand Names:

  • Coly-Mycin M
  • Coly-Mycin M Parenteral

Dosage Forms:

  • Powder for Solution

Classifications:

Therapeutic—

Antibiotic

Uses of This Medicine:

Colistimethate injection is used to treat bacterial infections in many different parts of the body. It belongs to the group of medicines called antibiotics. This medicine works by killing bacteria or preventing their growth. However, this medicine will not work for colds, flu, or other virus infections.

This medicine is available only with your doctor's prescription.

Before Using This Medicine:

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:

Allergies—

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Children—

Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of colistimethate injection in children.

Older adults—

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of colistimethate injection in the elderly. However, elderly patients are more likely to have age-related kidney problems, which may require an adjustment in the dose for patients receiving colistimethate injection.

Pregnancy—

Pregnancy CategoryExplanation
All TrimestersCAnimal studies have shown an adverse effect and there are no adequate studies in pregnant women OR no animal studies have been conducted and there are no adequate studies in pregnant women.

Breast-feeding—

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Other medicines—

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are receiving this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.

Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Amikacin
  • Capreomycin
  • Gentamicin
  • Kanamycin
  • Neomycin
  • Paromomycin
  • Streptomycin
  • Tobramycin

Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Alcuronium
  • Atracurium
  • Cisatracurium
  • Doxacurium
  • Fazadinium
  • Gallamine
  • Hexafluorenium
  • Metocurine
  • Mivacurium
  • Pancuronium
  • Pipecuronium
  • Rapacuronium
  • Rocuronium
  • Tubocurarine
  • Vecuronium

Other interactions—

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other medical problems—

The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:

  • Diarrhea or
  • Lung disease, severe—May make these conditions worse.
  • Kidney disease—Use with caution. Effects may be increased because of slower removal of the medicine from the body.

Proper Use of This Medicine:

A nurse or other trained health professional will give you or your child this medicine. This medicine may be given through a needle placed in one of your veins or as a shot into your muscle.

Sometimes this medicine will be used in a nebulizer (a breathing machine). The patient will breathe it into the lungs to treat an infection. When used this way, the medicine should be mixed right before you put it in the nebulizer for a breathing treatment. You must throw away any leftover liquid medicine that is not used. Do not use pre-mixed liquid medicine that has been stored for any length of time for your breathing treatment. If you bought pre-mixed liquid medicine at the pharmacy, throw it away. Ask your pharmacist or doctor for instructions on how to mix your medicine for the breathing treatment. If you have any questions, talk to your doctor.

Precautions While Using This Medicine:

If your symptoms do not improve within a few days, or if they become worse, check with your doctor.

Colistimethate injection may cause some people to become dizzy or to have numbness and tingling sensations in the hands, toes, and feet. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or do not have normal feelings in your hands and feet. If these symptoms are especially bothersome, check with your doctor.

Serious breathing problems may occur after you get a shot of this medicine into one of your muscles. Call your doctor right away if you or your child have any change in your breathing after you receive this medicine.

Colistimethate injection may cause diarrhea, and in some cases it can be severe. Do not take any medicine to treat diarrhea without first checking with your doctor. Diarrhea medicines may make the diarrhea worse or make it last longer. If you have any questions about this or if mild diarrhea continues, or gets worse, check with your doctor.

Stop using this medicine and check with your doctor right away if you or your child have bloody urine; a decrease in frequency or amount of urine; an increase in blood pressure; increased thirst; loss of appetite; lower back or side pain; nausea; swelling of the face, fingers, or lower legs; troubled breathing; unusual tiredness or weakness; vomiting; or weight gain.

Side Effects of This Medicine:

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

Incidence not known
Blood in the urine
bluish lips or skin
burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
change in frequency of urination or amount of urine
decrease in amount of urine
difficulty with breathing
drowsiness
fever
increased thirst
loss of appetite
nausea or vomiting
shortness of breath
slurred speech
swelling of the feet or lower legs
tightness in the chest
tingling of the arms, legs, and tongue
troubled breathing
weakness
wheezing

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose
Dizziness
mood or mental changes
shakiness and unsteady walk
uncontrolled eye movements
unsteadiness, trembling, or other problems with muscle control or coordination
unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known
Diarrhea
dizziness or lightheadedness
feeling of constant movement of self or surroundings
hives or welts
itching
redness of the skin
sensation of spinning
stomach cramps or pain

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

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


Last Updated: 4/4/2014

Copyright © 1984- Thomson Micromedex. All rights reserved.

Thomson & A.D.A.M