Read on to get answers to those questions and more. Whole blood is the easiest and most versatile donation. Whole blood contains red cells, white cells, and platelets all suspended in a liquid called plasma. According to the American Red Cross , most people can donate whole blood every 56 days.
To donate red blood cells — the key blood component used in blood product transfusions during surgeries — most people must wait days in between donations.
Platelets are cells that help form blood clots and control bleeding. People can usually donate platelets once every 7 days, up to 24 times a year. Certain medications may make you ineligible to donate, either permanently or in the short term. The following list of medications may make you ineligible to donate blood, depending on how recently you took them. This is only a partial list of medications that may affect your donation eligibility:. When you register for a blood donation, be sure to discuss any medications you may have taken in the past few days, weeks, or months.
According to the American Red Cross , there are some criteria with regard to who can donate blood. Females tend to have lower blood volume levels than males, which accounts for the gender-based differences in donation guidelines. There are certain criteria that may make you ineligible to donate blood, even if you meet the age, height, and weight requirements.
In some cases, though, you may be eligible to donate at a later date. Donating blood is a fairly simple and safe procedure, but there are a few steps you can take to help reduce the risk of any complications.
Eating foods rich in iron and vitamin C before you donate will help make up for the drop in iron levels that can happen with a blood donation. Vitamin C can help your body absorb plant-based iron from foods such as:. It only takes about 10 minutes to donate a pint of whole blood — the standard donation. However, when you factor in the registration and screening, as well as the recovery time, the entire procedure can take about 45 to 60 minutes. We also use non-essential cookies to help us improve our services, any data collected is anonymised.
By continuing to use this website you agree to our use of cookies. Read more about our cookies. Hi there, we see you're using OS , why not try our app? Skip to main content. Why give blood Demand for different blood types Blood types How blood is used Who you could help.
Who can give blood Can I give blood? Getting an appointment Health and Eligibility Travel considerations Occupation considerations Men who have sex with men Donors and disability. The donation process Giving blood for the first time Registering online Preparing to give blood What happens on the day After your donation About our donation venues Further information Recognising donors.
Our blood centres are open and you can donate safely. You are here: Home The donation process After your donation How your body replaces blood. How your body replaces blood. Red blood cells Take red cells. Your liver and pancreas stay healthier, which in turn means that your chances of living longer become higher.
Know more about our Individual Health Insurance Plans. A person with low blood count or low blood pressure should refrain from donating blood.
In case you have an infection or you are suffering from common cough and cold, you should not donate blood, as it may transfer the infection to the recipient of the blood.
Also, In case you have recently been treated with antibiotics, you should not donate blood. If you are underweight, you should not donate blood as the risk of nausea or fainting is high. In case you had a body piercing or a tattoo done, you should not donate blood as the risk of transferring hepatitis infection is high. Diabetics on insulin are advised to not give blood, but diabetic patients without any complications from diabetes are allowed to donate blood.
In case your blood glucose level is within range, you can go for blood donation. But, In case of any kidney related problems, eye or blood vessel related problem, you may not be allowed to donate blood. Before blood donation, drink lots of fluids and have a healthy snack. The meals before donating blood should be normal and regular. Avoid hot shower and overheated or stuffy environments.
Avoid high or vigorous exercise and standing for long periods. In case you feel dizzy, lie down so that the blood flows to the brain, which will help in preventing fainting. Sitting down with head lowered forward between the knees can also help in better blood circulation to the brain.
It is advisable to increase the intake of iron-rich foods after blood donation for quicker recovery. People who smoke are allowed to donate blood, but it is advised to avoid smoking 12 hours before donating blood. Also, it is advised to not smoke at least 3 hours after donating blood. This is because smoking can lead to an increase in the blood pressure, which may harm you while donating blood. And smoking after donating blood may lead to fainting or dizziness.
Know more about our Critical Illness Insurance Plans. Since the blood completely replenishes itself within 4 — 8 weeks, you can donate blood every 56 days.
You are allowed to donate plasma every 28 days, up to 13 times a year, and platelets can be donated once every 7 days, up to 24 times a year.
Red blood cells can only be donated 3 times a year, with a gap of days in between. Hence, the act of blood donation is not only noble and humane, but it can also help you live a healthier life by getting checked for diseases regularly.
However, according to some medical professionals, it may also benefit the donor. Each person who donates blood completes a simple physical examination and blood test before giving blood. These are not in-depth tests, but they may help identify unknown health concerns, such as anemia or high or low blood pressure. If the test reveals a problem, the person will not be able to donate blood.
However, the results could be a first step toward seeking treatment. Donating one unit of blood may save the lives of up to three people , according to the American Red Cross. Blood donors provide a vital service to the community. There are claims that giving blood burns calories.
However, there does not appear to be any scientific evidence to prove this. Any benefits of this calorie loss will be short-term and will not help a person lose weight. However, a study suggests that because blood donation centers need to weigh people before they give blood, this could help identify people with obesity and offer them help to manage their weight and any related health problems.
The body needs iron to produce red blood cells. However, around 1 million people in the U. People with this and other types of hemochromatosis have too much iron in their blood. The excess iron can deposit into different organs of the body, such as the liver and heart, and affect the way those organs function.
According to a article by the Centers for Disease Control and Prevention CDC , people with hemochromatosis can benefit from phlebotomy, which is a similar process to donating blood.
People with this condition are allowed to donate blood. In other words, for those with hemochromatosis, donating blood can be a treatment option as well as a way of helping others.
Not all agencies allow donations from people with this condition, but many use their blood in the general donation pool. In , researchers looked at the data of nearly , females who had donated blood for 10 years or more. Some research has suggested that donating blood may also reduce blood pressure.
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