One of the most common fears at the checklist: “I take regular medication (does that disqualify me?” For the big three) diabetes, blood pressure and thyroid conditions, the honest answer is usually no, as long as the condition is well controlled. Millions of people with these conditions donate regularly. The gate is control, not the diagnosis.
Diabetes
Well-controlled, without complications: commonly acceptable. Whether you manage with diet, tablets or insulin, what the centre cares about is that your sugars are stable and you have no serious complications (like vessel or eye disease that’s actively progressing). Bring your prescription list. The doctor on duty makes the call on the day, and if your sugars have been swinging, they’ll tell you honestly to come back when things are settled.
Blood pressure
Controlled on medication and within range on the day is commonly fine. The check is simple: your BP is measured at the centre (roughly 100–140 over 60–90 is the usual acceptance band). On medication doesn’t matter; the reading on the day does. If today’s reading is high, you’re deferred with advice, not judged.
Thyroid
Controlled thyroid on regular medication: commonly acceptable. Same pattern, stability is what counts.
The rule that ties it together: declare everything
The confidential questionnaire is where you list conditions, medications and doses. Nothing you declare embarrasses you; omission risks a reaction on the couch or a unit that gets discarded. Bring your prescriptions if you can. The final word is always the doctor’s check on the day, that is the system protecting both sides.
What the centre is actually checking for
Not “is this person perfect?” but “is this person safe to draw from today, and is this blood safe for a patient?” Controlled chronic conditions pass that test every day, all over India.
Your condition is managed. Your donation still counts. Register →
Explore
The full eligibility hub → · haemoglobin and anaemia → · when sickness delays donation →