Myths and Facts of Blood Donation - Dr Sheenam Thakkar

Update: 2026-01-29 05:00 GMT

In India, where blood shortages are a constant challenge, myths and misconceptions keep many healthy people from donating. Recent national guidelines from the National Blood Transfusion Council (NBTC), under the Ministry of Health and Family Welfare, are more donor friendly than you might think.

They clearly define who can donate, how often, and under what conditions, prioritizing safety for both donors and recipients. Let's bust some common myths and uncover surprising truths.

Myth 1: Blood donation makes you weak or anemic.

No, it doesn't, if you are screened properly. Before donation, every potential donor undergoes checks for haemoglobin (minimum 12.5 g/dL ), weight, vital signs, and health. Only those meeting strict criteria proceed: 350 ml from donors over 45 kg, 450 ml from those over 55 kg. Men can donate every 90 days, women every 120 days, allowing full recovery of red cells and iron stores.

Weakness usually stems from skipping a pre donation meal (eat within four hours), dehydration, anxiety, or poor sleep, not the blood loss itself. Follow post donation advice, and it is a safe, repeatable act of service.

Myth 2: Tattoos, minor illnesses, or medications disqualify you permanently.

Not always. Guidelines focus on transfusion transmitted infection risks and current stability, not stigma.

Tattoos or piercings trigger temporary deferrals (for 12 months) to cover the "window period" for undetectable hepatitis B or C. Surprisingly, many conditions are allowable with safeguards: thalassemia trait donors if haemoglobin is normal; well controlled diabetics on oral meds (no complications); stable asthmatics on inhalers (but not during acute attacks or recent steroids). It is about real risks, not blanket bans.

Myth 3: A "no" today means never again.

Far from it, most deferrals are temporary, offering a "second chance." Common temporary deferrals include fever, flu or infection; malaria; typhoid or jaundice; pregnancy or breastfeeding; recent vaccination or surgery; and dengue or chikungunya (six months post recovery).

Permanent deferrals are reserved for high risk issues like HIV or AIDS; hepatitis B or C; syphilis; tuberculosis history; cancer; or chronic kidney disease.

Honest screening is key: questions on history, travel, meds, and behaviors protect vulnerable patients receiving your blood. Tests catch most issues, but truth from donors seals the trust chain.

These science backed rules show blood donation saves lives without harm. If a myth has held you back, check your eligibility, many with tattoos, controlled conditions, or past illnesses qualify. In a nation that needs blood daily, ask not "Am I too weak?" but "When can I donate next?" Roll up your sleeves; your short visit could mean everything to someone.

Disclaimer: The views expressed in this article are of the author and not of Health Dialogues. The Editorial/Content team of Health Dialogues has not contributed to the writing/editing/packaging of this article.


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