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Midline Catheter

Medically reviewed by Last updated on May 6, 2024.

What do I need to know about midline catheters?

A midline catheter is a small tube used to give treatments and to take blood samples. The catheter is inserted into a vein in your arm. The end of a midline, inside your body, does not go past the top of your armpit. A midline catheter can stay in place for up to 30 days.

Midline Catheter

How is a midline catheter placed?

What will healthcare providers teach me about my midline catheter?

What can I do to prevent an infection?

The area around your catheter may get infected, or you may get an infection in your bloodstream. A bloodstream infection is called a catheter-related bloodstream infection (CRBSI). A CRBSI is caused by bacteria getting into your bloodstream through your catheter. This can lead to severe illness. The following are ways you can help prevent an infection:

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.