How often you should get blood work depends on your age, health status, family history, and any symptoms you’re experiencing. Here's a general guideline:
1. For Healthy Adults (No Symptoms):
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Once a year as part of your annual physical is often enough.
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Tests usually include:
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Complete Blood Count (CBC)
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Comprehensive Metabolic Panel (CMP)
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Lipid Panel (cholesterol)
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Thyroid (TSH)
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Blood glucose or A1C (especially if at risk for diabetes)
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2. If You Have a Chronic Condition (e.g., diabetes, high blood pressure, thyroid disorder):
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Every 3–6 months or as directed by your doctor.
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Monitoring helps adjust medications or lifestyle changes effectively.
3. If You’re Starting New Medication (like statins, hormones, or antidepressants):
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Initial testing before starting, then again in 6–12 weeks to check liver function, blood counts, or medication levels.
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Follow-up testing frequency depends on side effect risks.
4. During Major Life Stages or Changes:
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Pregnancy: blood work is done at multiple stages.
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Over 50: may include additional screenings (e.g., vitamin D, B12, PSA for men, iron for women nearing menopause).
5. If You Have Symptoms:
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If you're experiencing fatigue, hair loss, frequent illness, bruising, weight changes, or skin issues — your doctor may order specific blood tests immediately, regardless of timing.
Tip: Even if you feel healthy, annual blood work can catch early signs of issues like anemia, diabetes, or high cholesterol before symptoms appear.