Yes — in many cases, you can donate blood even if you have high blood pressure or diabetes, depending on how well your condition is controlled. Here’s a quick breakdown of the 2025 U.S. guidelines.

✅ Blood Donation with High Blood Pressure (Hypertension)

You can donate if:

• Your blood pressure is below 180/100 at the time of donation.

• You feel well and aren’t on new meds.

• You’re not experiencing side effects like dizziness or chest pain.

Disqualified if:

• Blood pressure is above limit on the day.

• You’ve had a recent heart event or medication change.

🩺 Tip: Take your usual BP meds before your appointment.

✅ Blood Donation with Diabetes (Type 1 or 2)

You can donate if:

• Your diabetes is well-controlled (with or without insulin).

• Your blood sugar is stable and you feel healthy.

You cannot donate if:

• You’ve had complications like kidney issues or ulcers.

• You’ve changed diabetes medication recently.

🍎 Eat a balanced meal before donating — especially if you take insulin.

⛔ You Cannot Donate Blood If You Have:

• Uncontrolled high blood pressure (above 180/100)

• Uncontrolled diabetes or recent complications

• Recent heart attack, stroke, or hospitalization

📋 What to Bring When Donating:

• A valid photo ID

• List of current medications

• Hydrated body and a good meal beforehand

❓ FAQs

Q: Can I donate if I take insulin?
Yes, as long as your diabetes is stable.

Q: What if I just changed my blood pressure medicine?
You may be asked to wait 2–4 weeks after a change.

Q: Will donating affect my blood sugar or pressure?
It might cause mild drops — eat and hydrate well.

❤️ Final Thoughts

If your high blood pressure or diabetes is well managed, you can most likely donate blood and help save lives. When in doubt, talk to the staff at your donation center — they’ll check your vitals and guide you.