Constantly tired or weak: what medical tests do I need?
Persistent fatigue that does not improve with sleep is a medical symptom, not personal laziness. Common underlying causes include iron-deficiency anaemia, thyroid disorders, vitamin B12 deficiency, and unmanaged diabetes. Senior Consultant Physician Dr. Vishnu Anjan Nareddy conducts comprehensive diagnostic workups at Nareddy Care Hospitals in Tirupati.
ఎప్పుడు వైద్య సహాయం తీసుకోవాలి
- Extreme breathlessness or chest pain upon minimal walking
- Fainting spells, blackouts, or sudden loss of consciousness
- Black, tarry stools or vomiting blood
- Severe confusion or sudden difficulty walking steadily
- Exhaustion lasting more than 2 to 3 weeks interfering with daily work
- Pale inner eyelids, pale tongue, and brittle spoon-shaped nails
- Unexplained weight gain with cold intolerance (hypothyroidism)
- Excessive thirst and frequent urination (diabetes)
- Dizziness or lightheadedness when standing up quickly
- Good daily energy levels returning after normal night sleep
- Normal haemoglobin, thyroid (TSH), and blood sugar levels
- Good exercise tolerance without unusual breathlessness
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తరచుగా అడిగే ప్రశ్నలు
Which blood tests should I take for chronic fatigue?
A complete blood count (CBC) for anaemia, thyroid stimulating hormone (TSH), fasting blood sugar/HbA1c, vitamin B12, and kidney/liver functions form the standard initial fatigue panel.
Can stress alone cause severe weakness?
Stress and lack of sleep cause fatigue, but medical conditions like anaemia and thyroid issues should always be tested and ruled out first before assuming stress.
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