Blood Donation Restrictions: Are You Eligible to Give Blood?

Updated on February 19, 2020

Blood Donation Eligibility Requirements

For the longest time, I wanted to give blood, but was told that I would probably not be eligible (I'm a bit on the skinny side).  I decided to look into the various blood donation restrictions to see what the actual eligibility requirements are for giving blood.  As it happens, they are pretty simple (I've outlined them below), but it is important to check to see if you are indeed eligible for giving blood before booking an appointment and waltzing in, all revved and pulsing, as it would be a big letdown to find out that you can't help out after all.

Are YOU eligible to give blood?
Are YOU eligible to give blood? | Source

Blood Donation Eligibility Requirements You CAN Check

There are some things that you won't know until you get to a doctor or go through the preliminary screening to give blood (those blood donation restrictions are covered below), hover there are several disqualifying factors that you can consider right away.

You are NOT eligible to donate blood if...

  • You have a cold or flu symptoms
  • You have cancer
  • You are pregnant
  • You have sickle cell disease (you're OK if you just have sickle cell trait)
  • You have AIDS
  • You are engaged in ANY hypodermic drug use
  • You are younger than 17 years old (the minimum age requirement varies from state to state; in some states, you can donate blood at age 16, but not all)
  • You weigh less than 110 pounds
  • You gave blood fewer than 56 days ago, platelets fewer than a week ago, plasma less then 28 days ago, or double red cells fewer than 112 days ago
  • Within the past 12 months, you have recently traveled to an area that makes you not safe for blood donations (Iraq, some countries in Western Africa, and anywhere where one might encounter malaria)
  • In the 90s, you spent some time in the UK (In the comments, s.carver points out that a stint she spent in the UK during the '90s made her ineligible to give blood because of the mad cow scare)
  • You are on a medication that makes you not eligible for blood donations (check the organization you wish to donate with before booking an appointment, or ask your doctor)
  • Within the past 12 months, you got a tattoo in a state that does not regulate tattoo facilities

If you want to be a double red cell donator, you are not eligible if...

  • You are shorter than 5"1' if you're male, shorter than 5"5' if you're female
  • You are female and weigh less than 150 pounds
  • You are male and weigh less than 130 pounds

You will probably have noticed that some requirements vary based on state or the organization to which you are donating blood. For this reason, it never hurts to check with the organization you have in mind before heading over to make a donation.

There are also some restrictions for people who have had certain conditions within the past 12 months (for example, Syphilis), or if you're being treated for something now (e.g. Tuberculosis). Basically, if you're dealing with some sort of sickness, check with the clinic or your doctor first.

Blood Donation Restrictions You Will Only Discover Upon Initial Screening

Before you get to donate blood, you will have to go through a preliminary screening process to make sure that you are fit to give.

If you are dealing with any of the following factors, you will find that you are not eligible to give blood (at least for the time being)

  • Low hemoglobin / hematocrit: This means that you've got an iron deficiency- aka anemia. If you want to avoid getting caught up in this, eat a lot of meat, green vegetables, and seafood, and consider taking iron supplements
  • Your weight/height ratio doesn't work out: Even if you weigh more than 110 pounds, you might not be eligible for giving blood because you may still be too thin (someone who is short and 110 pounds will tolerate blood donations much better than someone who is really tall and 110 pounds) - since eligibility is based on a weight to height ratio, it's kind of hard to know if you'll pass until you check with a pro.
Really, so long as you've done your homework, beef up on iron, and don't get too skinny, you're set to go!


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    • profile image


      3 years ago

      I think I am a eligible but I am under 16

    • profile image


      6 years ago

      Donating blood is something I'm really passionate about.

      But, naturally 5 foot and 100 lbs as a woman.

      C'est la vie.

    • profile image


      8 years ago

      i work in a blood bank in india! its very essential for everyone to donate blood nd save lives!

    • profile image


      8 years ago

      My wife got a letter from our blood donation Centre that her blood cannot be used,She is stressed and thinks that I am wondering around. What can I do?

    • Simone Smith profile imageAUTHOR

      Simone Haruko Smith 

      8 years ago from San Francisco

      Very true, scott33thomas! You make an important point.

    • scott33thomas profile image

      Manuel Porras 

      8 years ago from Germany, Colombia, USA, Panama, Mexico, Spain

      is very important to support the donation of blood you never know if tomorrow you're going to need a trasnfucion

    • Simone Smith profile imageAUTHOR

      Simone Haruko Smith 

      9 years ago from San Francisco

      Thanks SweetMarie83!! Yeah, I had not realized that there would be a difference with tattoos from state to state!

    • SweetMarie83 profile image

      Marie Landry 

      9 years ago from Ontario, Canada

      Very interesting hub! I've been wanting to give blood for some time now but wasn't sure of the restrictions - I had heard the restriction about having a tattoo but wasn't sure about the time period. Thanks for this great info!

    • Simone Smith profile imageAUTHOR

      Simone Haruko Smith 

      9 years ago from San Francisco

      Whoah! That's so crazy!! I'm SO adding this to the checklist. How fascinating!

    • s.carver profile image


      9 years ago from San Francisco

      Interesting hub!

      I used to love to give blood when I was in college. I was good at it, it turned out, and I respond well to positive feedback. Anyway, the last time I tried to give blood, about a year ago during a blood drive where I got a free burger for a pint of my O-positive, I found out to my chagrin that I am not eligible!

      Another condition that crosses you forever off the blood donor list, at least as far as the Red Cross is concerned, is having spent over a certain amount of time in the U.K. during those years in the mid-1990s when Mad Cow Disease raged. Spend too much time in England, and you are disqualified from giving blood.

      Sad, but true.

      I wonder if they let vegetarians who spent time in England during that time frame donate blood?


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