What does it do?

Colistimethate is used to treat and prevent bacterial infections.

How is it given?

Colistimethate is given as an injection into a vein, or as an injection into a muscle. Continue the course until it is finished, even if you start to feel better.

What if you forget a dose?

The missed dose should be given as soon as possible and treatment should continue as directed. Two doses should not be given at the same time. Colistimethate is usually given to you by a health professional. If you miss an appointment, contact your health professional as soon as possible.

Can you take other medicines?

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

Side Effects	Recommended action
Increased trouble breathing	Tell your doctor immediately
Trouble peeing Dizziness, slurred speech Severe or persistent diarrhoea, abdominal pain Small white sores in mouth, furry tongue (oral thrush) Vaginal itch or discharge (vaginal thrush)	Tell your doctor
Tingling or numbness, weakness	Tell your doctor if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

• Tell your doctor if you have kidney problems or a chronic muscle condition (e.g. myasthenia gravis).
• Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
• Colistimethate can impair your ability to do tasks such as driving or using machines. Alcohol makes this worse. Discuss your risk with your health professional. (search NZTA - Are you safe to drive?)