Once the catheter is placed, extreme care is needed to avoid aurinary tract infection (UTI).

This article explains what Foley catheters are and what they are used for.

It also describes how they are inserted and cared for, including the possible risks and complications.

Doctor and nurse talking with patient in hospital bed

FS Productions / Getty Images

What Is a Foley Catheter?

After insertion, a Foley catheter is intended to remain in place for several hours or longer.

Foley catheters can also vary by their size, measured in millimeters (mm).

Straight Catheter vs. Foley Catheter

An intermittent catheter is sometimes referred to as a straight catheter.

Purposes of a Foley Catheter

A Foley catheter has specific uses.

It is also sometimes used for diagnostic purposes or during the delivery of a baby.

Foley catheters are not used for the generaltreatment of incontinence.

In non-surgical situations, they are placed by a healthcare provider after a numbing gel is applied.

The insertion of a Foley catheter may be uncomfortable but should not cause significant pain.

Most people adjust to having a catheter once they relax a bit.

Something as simple as tripping or stumbling can do this.

When using a Foley catheter, excellent hygiene is essential topreventing UTIsand other health concerns.

It shouldnotbe considered the standard of care if other options for managing incontinence or urinary retention exist.

The largest concern is related to UTIs, the risk of which increases the longer a catheter is used.

After one month, nearly 100% of people with Foley catheters will have bacteriuria.

There may also be mechanical problems that can harm you while using a Foley catheter.

It is commonly used during and after certain surgery.

A Foley catheter can be used for days or weeks.

However, it should only be used when indicated and never for longer than needed.

The longer a Foley catheter is used, the greater the risk of a urinary tract infection.

2014;23(4):277289. doi:10.1136/bmjqs-2012-001774

National Institutes of Health.Foley catheter care.

2019;2019:3080827. doi:10.1155/2019/3080827

Centers for Disease Control and Prevention.Indwelling urinary catheter culture stewardship: overview.