What to expect after donating blood?

Thank you for choosing to make a lifesaving difference! Most donors feel well after giving blood. Each donation is about one pint (500mL), while the average adult has about 10-12 pints of blood.

Your body works quickly to replace what you’ve given. The plasma (the liquid part of your blood) is replaced within 2-3 days, and your red blood cells begin replenishing right away and are typically fully restored in about 4-6 weeks.

Pre-donation preparation

• Eat a healthy meal before donating
• Make sure you are well hydrated
• Get a good night’s sleep

Post-donation instructions

• Rest in the canteen area for a minimum of 15 minutes after donating
• Do not smoke for 30 minutes
• Leave the bandage on for at least 4 hours
• Drink plenty of fluids, avoid alcohol, and eat well-balanced meals for the next 24 hours
• Avoid lifting or pulling with the arm used for donation for the next 24 hours
• Avoid strenuous activity for at least 24 hours

If you are feeling unwell after donating, please consult the care kit provided after your donation

• If you are feel faint or nauseous:
  • Drink water or juice
  • Try applied muscle tension exercises
  • Lie down with your knees bent, or sit and rest your head between your legs
  • Avoid excessive heat, physical activity, and alcohol for the next 24 hours
• If you notice bruising, swelling, or arm pain:
  • During the first 24 hours, apply ice to the area at least 3 times
  • After 24 hours, switch to a heat pack and use it at least 3 times a day until symptoms resolve
  • If needed, take ibuprofen (400mg) up to 3 times a day with food (if tolerated)

For any questions or concerns, please feel free to call 817-343-2569 or email donorreactions@carterbloodcare.org