Skip to main content
📍

Willing to volunteer as a blood donor? Volunteers are welcome in Bengaluru Urban district.

Volunteer via WhatsApp
DonorNearby
Home Become a Donor Request Blood About Contact
Request Blood
Home Become a Donor Request Blood About Contact Request Blood
Home›Learn›Blood Donation
Blood Donation

Blood Donation Guide

Start with the basics of blood donation and use the linked sources to understand what donor eligibility and the donation process involve.

Who Can Donate Blood?

General eligibility guidance and why the final decision is made by the blood centre.

Read article →

How Does Blood Donation Work?

A simple overview of registration, screening, collection and recovery.

Read article →

What to Do Before Donating Blood

What information to share with the blood centre and how to approach the appointment.

Read article →

What Happens After Donating Blood?

What to expect immediately after donation and basic aftercare guidance.

Read article →

How Often Can You Donate Blood?

Why donation intervals vary and why you should follow local blood-service rules.

Read article →

Want to understand blood groups?

Read about A, B, AB and O groups and Rh-positive or Rh-negative status.

Explore blood groups →

Medical information notice: These pages are educational. Final donor eligibility is assessed by the blood centre or qualified medical staff.

DonorNearby

Connecting willing blood donors with patients who need them across Karnataka.

Requests can be submitted anytime

Quick Links

  • Become a Donor
  • Request Blood
  • About
  • Support DonorNearby
  • Contact
  • Privacy Policy
  • Terms of Service

Contact

  • support@donornearby.in
  • +91 63604 26643
✓ Authorised Coordinators ✓ Privacy Protected
Medical Notice: DonorNearby is not a blood bank or hospital. In a medical emergency, contact your hospital or local emergency services.

© 2026 DonorNearby. All rights reserved.

District-level blood coordination for Karnataka · donornearby.in