Colistimethate Sodium (koe-lis-ti-METH-ate SOE-dee-um)
Treats infections caused by bacteria. This medicine is an antibiotic.
Coly-Mycin M Parenteral
When This Medicine Should Not Be Used
How to Use This Medicine
- Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles or through a needle placed in a vein.
- A nurse or other health provider 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.
- Some medicines can affect how colistimethate works. Tell your doctor if you are taking any of the following:
- Medicine to treat an infection, such as amikacin, gentamicin, polymyxin
- Sodium citrate
Warnings While Using This Medicine
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney or lung disease.
- This medicine may cause dizziness, or numbness and tingling in your hands and feet. Do not drive or do anything that could be dangerous until you know how this medicine affects you.
- This medicine may cause the following problems:
- Serious breathing problems if you get the shot into one of your muscles
- Severe diarrhea
- This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.
- Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.
- Call your doctor if your symptoms do not improve or if they get worse.
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
- Bluish lips or skin
- Decrease in how much and how often you urinate, or blood in your urine
- Dizziness, lightheadedness, or tingling or numbness in your hands or feet
- Increased thirst, loss of appetite, nausea or vomiting, swollen legs or feet, and weakness
- Shortness of breath, trouble breathing, or wheezing
- Speech problems
- Severe diarrhea
If you notice these less serious side effects, talk with your doctor:
- Itching, burning, swelling, or a lump under your skin where the needle is placed or where the shot is given
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 reviewed on 7/4/2015
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