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Homepage - Health - Flacc Scale | A Tool for Determining Pain Levels In Anyone (even though the person can’t speak)

Flacc Scale | A Tool for Determining Pain Levels In Anyone (even though the person can’t speak)

Odudu AbasiOdudu AbasiUpdated:January 27, 2026
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Imagine how difficult it is to understand the severity of pains in people who are unable to communicate their pains and children between ages 2 months and 7 years, it’s quite tasking and stressful, right?

 

This is where the flacc scale comes in. The Flacc scale is a behavioral pain scale used to assess a person’s pain, especially those unable to communicate.

Doctors often use the flacc scale to determine the pain levels of people who can’t speak out to express the level of pain they are experiencing, and also the flacc scale is very beneficial for accessing the pain levels of infants (since they can’t talk yet).

So, the flacc scale makes healthcare/treatment much easier as it helps doctors to be able to make accurate diagnosis/prognosis for patients who are not able to communicate the levels of pain they are feeling.

So in this article, Healthsoothe is gonna expatiate on all there is to know about the flacc pain scale; what it is? Where can you get it? Who can do it? Does it have any side effects? How much does it cost? And much more.

We move.  

 

Jump to What You Need
  1. Explaining the Flacc Scale
    1. Criteria for the FLACC Behavioural Pain Scale.
  2. How to Use Flacc Scale
  3. Interpretation of Flacc pain score – Assessment of Behavioural Score
  4. Does the Flacc Scale Have Any Side Effects?
  5. Who Can Perform a Flacc Scale Test? – Can Anyone Do It?
  6. Where Can You Get a Flacc Scale or Undergo a Flacc Pain Scale Test?
  7. Where Can You Buy a Flacc Scale?
  8. How Much Does a Flacc Scale Cost?
  9. Conclusion

Explaining the Flacc Scale

flacc scale - Healthsoothe

The FLACC scale, or Face, Legs, Activity, Cry, Consolability scale[mfn]Voepel-Lewis T, Zanotti J, Dammeyer JA, Merkel S (2010). “Reliability and validity of the face, legs, activity, cry, consolability behavioral tool in assessing acute pain in critically ill patients”. Am. J. Crit. Care. 19 (1): 55–61. doi:10.4037/ajcc2010624. PMID 20045849.[/mfn] is a pain assessment tool for children aged 2 months to 7 years and adults who cannot verbalize their pain[mfn]https://en.wikipedia.org/wiki/FLACC_scale[/mfn].

The scale is graded from 0 to 10, with 0 denoting no discomfort. The scale comprises five criteria, each with a value of 0, 1, or 2. The flacc scale makes it easier for the doctor to understand the severity and type of pain.

 

Criteria for the FLACC Behavioural Pain Scale.

Behaviour012
FaceNo particular expression or smileOccasional grimace or frown, withdrawn, disinterestedFrequent to constant quivering chin, clenched jaw
LegsNormal position or relaxedUneasy, restless, tenseKicking or legs drawn up
ActivityLying quietly, normal position, moves easilySquirming, shifting, back and forth, tenseArched, rigid or jerking
CryNo cry (awake or asleep)Moans or whimpers; occasional complaintCrying steadily, screams, sobs, frequent complaints
ConsolabilityContent, relaxedReassured by touching, hugging or being talked to, distractibleDifficult to console or comfort

 

How to Use Flacc Scale

Two sets of instructions for the observer depend on if the patient is awake or asleep.

For awake patients:

  • Observe for at least 2-5 minutes
  • Observe the uncovered legs and body
  • Reposition the patient or observe activity; assess the body for tenseness and tone
  • If needed, initiate consoling interventions.

For asleep patients:

  • Observe for a minimum of 5 minutes
  • Observe the uncovered legs and body
  • Reposition the patient, if possible
  • Touch the body and assess the tenseness and tone

There are five categories, and each category is scored on a 0-2 scale which results in a total score of 0-10.

 

Interpretation of Flacc pain score – Assessment of Behavioural Score

  • 0 → Relaxed and comfortable
  • 1-3 → Mild discomfort
  • 4-6 → Moderate pain
  • 7-10 → Severe discomfort and pain

 

Does the Flacc Scale Have Any Side Effects?

Flacc pain scale doesn’t have any side effects as it is a non-invasive process, and rather simple to do, if you know what you are doing. And it also doesn’t take time, and many health practitioners use this method to determine a patient’s pain levels even if that person can talk or express their pain levels vocally.

 

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Who Can Perform a Flacc Scale Test? – Can Anyone Do It?

Yes, anyone can perform a flacc scale test, provided he/she has the knowledge required to do it. It’s a non-invasive process, which can be done anywhere and anytime, and it doesn’t require much time and effort.

 

Where Can You Get a Flacc Scale or Undergo a Flacc Pain Scale Test?

A flacc pain scale test can be done at any professional health center like hospitals and clinics. The test can also be done at home if you have been taught well about it, or you have your doctor come over and test you.

 

Where Can You Buy a Flacc Scale?

Flacc scale reference cards can be bought at a hospital, a well-stocked pharmacy, and even online stores like Amazon, Walmart, and also on virtual drug stores.

 

How Much Does a Flacc Scale Cost?

The Flacc scale reference cards cost from $11 to $13 dollars depending on the place you are buying them from. Make sure to buy from top recommended sources.

 

Conclusion

The Flacc scale was originally designed and validated for use in infants and children aged 2 months to 7 years to measure postoperative pain, but the FLACC scale has also been found to be accurate for use with adults in intensive-care units (ICU) who are unable to speak due to intubation. The FLACC scale offered the same evaluation of pain as did the Checklist of Nonverbal Pain Indicators (CNPI) scale which is used in ICUs.

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Editorial Policy: HealthSoothe is dedicated to providing evidence-based, actionable wellness content. Every piece of content or review on our platform is cross-referenced with peer-reviewed medical journals and verified by certified healthcare professionals before publication.

Written by: Isreal Olabanji, certified Dental Nurse (DST, RN), with training in pharmacy, anatomy, and physiology.

Healthsoothe provides general education only. It does not replace advice from your doctor, dentist, or pharmacist. Confirm medicines and doses with a licensed professional before taking them.

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Odudu Abasi
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OduduAbasi Godwin Mkpong (God'sPower) is a medical writer and Human Anatomy graduate from the University of Uyo, Nigeria. His anatomical training gives him a strong foundation in medical accuracy, which he applies to dental and health content through certified expertise in SEO writing, content writing, and academic writing. He contributes medically informed articles to Healthsoothe.

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