What Is Fibromyalgia, and Why Do I Feel Constantly Tired and Achy?

Author: Niya Doiphode

Date: 22-04-2025

Last Reviewed: 03-08-2026

Fibromyalgia is a long-term condition that affects how the body processes pain, causing widespread aching, persistent fatigue, poor sleep, and difficulty concentrating ("fibro fog"). There's no single test to diagnose it, so it's usually confirmed by ruling out other conditions, which can make the process feel frustrating. While there's no cure, most people manage it effectively through a combination of gentle movement, careful energy pacing, and physiotherapy support, rather than any single quick fix.

Understanding a Condition That's Often Misunderstood

Fibromyalgia is a long-term condition that causes widespread pain, fatigue, and a range of other symptoms that can affect daily life.

Although it's very real and affects millions of people, it can sometimes be difficult to diagnose because symptoms vary from person to person and aren't always visible. This can make the experience frustrating, but understanding the condition is the first step toward managing it.

What Is Fibromyalgia?

Fibromyalgia is a condition that affects how the body processes pain.

People with fibromyalgia often experience ongoing muscle soreness, tenderness, and sensitivity throughout the body. Alongside pain, it can also impact energy levels, sleep, and concentration.

It's important to remember that symptoms can look very different from one person to another.

What Are the Common Symptoms of Fibromyalgia?

Rather than one single issue, fibromyalgia tends to involve a combination of symptoms. You may experience:

A deep, widespread aching or burning pain

Persistent fatigue, even after sleeping

Difficulty concentrating ("fibro fog")

Poor or disrupted sleep

Headaches or migraines

Digestive issues such as bloating or discomfort

For many people, these symptoms fluctuate, and some days are better than others.

Why Can Fibromyalgia Be Difficult to Diagnose?

There isn't a single test that confirms fibromyalgia. Instead, diagnosis usually involves ruling out other conditions with similar symptoms. Because of this, it can sometimes take time to reach a clear answer.

Unfortunately, some people are told their symptoms are "just stress" or "in their head", but fibromyalgia is a recognised condition involving the nervous system and how pain is processed.

What Causes Fibromyalgia?

The exact cause isn't fully understood, but research suggests a combination of factors may contribute.

Changes in Pain Processing

The nervous system may become more sensitive, meaning the body reacts more strongly to pain signals.

Physical or Emotional Stress

Events such as injury, illness, or prolonged stress can sometimes trigger symptoms.

Genetics

Fibromyalgia can run in families, suggesting some people may be more predisposed.

How Can You Manage Fibromyalgia?

While there's no single cure, many people successfully manage their symptoms with the right approach. The focus is usually on long-term symptom control rather than quick fixes.

Movement and Exercise

Gentle, consistent movement is one of the most effective strategies. Activities like walking, swimming, or light strength work can help reduce pain and improve energy over time.

Pacing Your Energy

One of the most important concepts is learning how to manage your energy. This is often described as:

Planning your day

Pacing activities

Prioritising what matters most

Doing too much on a "good day" can often lead to flare-ups later, so balance is key.

Hands-On Treatment and Support

Physiotherapy can help reduce muscle tension, improve movement, and guide you through safe, effective exercise.

Techniques such as manual therapy or acupuncture may also help ease symptoms for some people.

Sleep and Stress Management

Improving sleep quality and reducing stress can have a big impact on symptoms.

Simple strategies like a consistent bedtime routine, relaxation techniques, or breathing exercises can support recovery.

What Is It Like Living With Fibromyalgia?

Living with fibromyalgia can be challenging, especially when symptoms are unpredictable. But with the right support and strategies, many people are able to improve their quality of life.

Small, consistent changes, rather than drastic ones, tend to make the biggest difference over time.

You're Not Imagining It and You're Not Alone

Fibromyalgia is a complex condition, but it is manageable.

Understanding your body, pacing your activity, and getting the right guidance can help you regain a sense of control and confidence.

Looking for Support with Fibromyalgia Symptoms?

If you're struggling with ongoing pain, fatigue, or uncertainty around your symptoms, getting the right support can make things feel much more manageable.

At Relive Physiotherapy in Chester, we take the time to understand your experience and help you build a realistic, personalised plan that works for your lifestyle.

You don't have to figure it out alone. Reach out and we'll guide you through it.

Frequently Asked Questions

Is fibromyalgia a real medical condition?

Yes. Despite sometimes being dismissed as "just stress," fibromyalgia is a recognised condition that involves the nervous system and how the body processes pain.

How is fibromyalgia diagnosed?

There isn't a single test for it. Diagnosis usually involves ruling out other conditions with similar symptoms, which can sometimes take time to reach a clear answer.

What helps manage fibromyalgia symptoms?

A combination of approaches tends to work best, including gentle, consistent movement, pacing your energy across the day, physiotherapy, and improving sleep and stress management.

Why does overdoing it on a good day cause a flare-up later?

This is a common pattern with fibromyalgia. Doing too much when you're feeling better can use up energy reserves and trigger a flare-up afterwards, which is why pacing activities is considered so important.

Can physiotherapy help with fibromyalgia?

Yes. Physiotherapy can help reduce muscle tension, improve movement, and guide you through safe, effective exercise, often alongside other techniques like manual therapy or acupuncture.

About the Author:

Niya Doiphode

Specialist Physiotherapist

Niya holds a Master's degree in Musculoskeletal Sports Science, and Health, Sport and Exercise from Loughborough University.

As a Specialist Physiotherapist at Relive Physiotherapy, she has a strong interest in running biomechanics and has authored a paper examining the impact of "super shoes" on running performance. She also has a particular passion for pelvic health, bringing a well-rounded, evidence-based approach to her practice.

At the clinic, Niya genuinely enjoys getting to know the people she treats. Outside of work, she loves exploring different cuisines, especially Asian food, along with art and rock climbing.