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Unlike tiredness, chronic fatigue syndrome affects multiple systems in the body, often following an infection, trauma, or period of significant stress.
CFS causes severe fatigue that worsens after exertion, unlike regular tiredness.
Everyone experiences fatigue from time to time – whether it’s due to a sleepless night, a high-pressure week at work, or an emotional burnout. But for those living with chronic fatigue syndrome (CFS), also known as Myalgic Encephalomyelitis (ME), exhaustion goes far beyond everyday tiredness. It’s a persistent, life-altering condition that affects physical, mental, and emotional well-being, often leaving individuals struggling to carry out even the simplest daily tasks. Understanding the difference between everyday fatigue and this misunderstood disorder is the first step toward greater empathy and support.
CFS is not just about feeling weary. It is a complex, long-term illness that affects multiple systems in the body, often following an infection, trauma, or period of significant stress. People with CFS experience profound, unrelenting fatigue that does not improve with rest. More importantly, this fatigue worsens after physical or mental exertion – a symptom known as post-exertional malaise (PEM).
Dr. Anubhav Bhushan Dua, Consultant, Mental Health & Behavioural Sciences, (Psychiatry), Max Super Speciality Hospital, Vaishali says, “While a good sleep or weekend off may help the average person recover from tiredness, someone with CFS may wake up feeling not better, even after a full night’s rest. Their fatigue can be so severe that it interferes with everyday activities – working, studying, socialising, or even basic self-care. Other common symptoms include cognitive dysfunction (often referred to as “brain fog”), unrefreshing sleep, muscle or joint pain, headaches, dizziness, and irregular heart rhythms.”
Another critical difference lies in diagnosis and duration. Feeling tired is usually temporary and linked to a clear cause, such as lack of sleep or overwork. Dr Dua adds, “In contrast, CFS is diagnosed when fatigue persists for six months or longer and is accompanied by other symptoms, with no identifiable medical explanation.”
The challenge with CFS is that it remains an invisible illness. Many sufferers look ‘normal’ from the outside, often leading to misunderstanding, scepticism, and a lack of support. This stigma can make the condition even harder to bear.
- Location :
Delhi, India, India
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