Title: What to do after donating blood: Recovery and what to avoid
Headings: How to recover after donating blood
How to recover after donating blood
Recovery time
What to eat after blood donation
Iron
B vitamins
Liquids
What to avoid after blood donation
Adverse effects
Dizziness or lightheadedness
Bleeding
Bruising and soreness
Fatigue
When to see a doctor
Summary

Content: continuing lightheadedness or fatigue
bleeding that is difficult to control
pain, tingling, or numbness in the arm
sudden symptoms of a bacterial infection, such as a fever or swelling
Certain health issues can make a person’s blood unsafe to give to others. A person should contact the donation center if they develop any of the following
Trusted Source
: an acute fever, cough, or cold within 4 weeks of donating
jaundice, hepatitis, tuberculosis, or malaria within 3 months of donating
Summary
Donating blood is a simple and effective way to help others. A few hours after a donation, a person can usually resume most of their regular activities. There are a few ways to help the body recover, such as: drinking plenty of hydrating fluids
eating foods that contain iron and vitamins C and B
avoiding strenuous activities, including cardio exercise, for at least a day
Severe adverse effects of donating blood are uncommon. However, anyone who has persistent or severe health issues after donating blood should contact a doctor or the donation center for advice. Last medically reviewed on June 9, 2020
Public Health
Blood / Hematology