Fibromyalgia diagnostic criteria
A patient satisfies diagnostic criteria for fibromyalgia if the following 3 conditions are met:
1) Widespread pain index (WPI)
2) Symptoms have been present at a similar level for at least 3 months.
3) The patient does not have a disorder that would otherwise explain the pain.
1) WPI: note the number areas in which the patient has had pain over the last week. In how many areas has the patient had
pain? Score will be between 0 and 19.
Shoulder girdle, left Hip (buttock, trochanter), left Jaw, left Upper back
Shoulder girdle, right Hip (buttock, trochanter), right Jaw, right Lower back
Upper arm, left Upper leg, left Chest Neck
Upper arm, right Upper leg, right Abdomen
Lower arm, left Lower leg, left
Lower arm, right Lower leg, right
2) SS scale score:
For the each of the 3 symptoms above, indicate the level of severity over the past week using the following scale:
Considering somatic symptoms in general, indicate whether the patient has:*
The SS scale score is the sum of the severity of the 3 symptoms (fatigue, waking unrefreshed, cognitive symptoms) plus the
extent (severity) of somatic symptoms in general. The final score is between 0 and 12.7 and symptom severity (SS) scale score 5 or WPI 3–6 and SS scale score 9. no problem slight or mild problems, generally mild or intermittent moderate, considerable problems, often present and/or at a moderate level severe: pervasive, continuous, life-disturbing problems no symptoms few symptoms a moderate number of symptoms a great deal of symptoms
* Somatic symptoms that might be considered: muscle pain, irritable bowel syndrome, fatigue/tiredness, thinking or remembering problem, muscle
weakness, headache, pain/cramps in the abdomen, numbness/tingling, dizziness, insomnia, depression, constipation, pain in the upper abdomen,
nausea, nervousness, chest pain, blurred vision, fever, diarrhea, dry mouth, itching, wheezing, Raynaud’s phenomenon, hives/welts, ringing in ears,
vomiting, heartburn, oral ulcers, loss of/change in taste, seizures, dry eyes, shortness of breath, loss of appetite, rash, sun sensitivity, hearingdifficulties, easy bruising, hair loss, frequent urination, painful urination, and bladder spasms.