Why is Fibromyalgia classified as a syndrome and not a disease???

Best answer gets 10 points! Thank you for your help.

Fibromyalgia Nursing Considerations and Management

Nursing Considerations for Fibromyalgia

Exploring Alternative Therapies for Fibromyalgia Relief

Managing Fibromyalgia: Lifestyle Changes and Pain Management Strategies

Living with Fibromyalgia: Strategies for Coping and Improving Quality of Life

The Link Between Fibromyalgia and Mental Health: Exploring the Connection

Understanding Fibromyalgia: Causes, Symptoms, and Treatment Options

Aspartame In The Diet Soda – Can Poison?

How much of a contribution does PMS have to women's problems in communication with men?

Fibromyalgia and Pregnancy?

what do u think?? believe it or not?

Fibromyalgia diagnosis

I have fibromyalgia. The question I have is, does this have anything to do with stinging of the skin ?

For those who suffer from Fibromyalgia or know loved ones who do, how has it affected your/their lives?

Could this be fibromyalgia?

Doctors not treating fibromyalgia?

Does anyone know how to treat the pain of Fibromyalgia?

51 yr female, overweight but active, muscle spasms, achy joints (not symetrical), uncontrolled shaking.Whatsup

what is the symptom overlap between multiple sclerosis and fibromyalgia?

How is lupus and fibromyalgia alike?

I have been diagnosed with several disorders as noted below. Does anyone know what the main cause could be?