Why Do I Feel Sick After Giving Blood?

Why do I feel so bad after donating blood?

Some people experience dizziness or lightheadedness after donating blood.

This is because the lower volume of blood in the body leads to a temporary reduction in blood pressure.

Certain preventive measures may help, such as drinking extra water before donating..

Can giving blood cause upset stomach?

8. How will I feel after donating? Most donors feel fine after donating blood or platelets, but a small number of people may experience an upset stomach, feel faint or dizzy, or have bruising, redness or pain where the needle was inserted. It’s helpful to drink extra fluids for 48 hours following your donation.

What are the side effects of giving blood?

Side effects of donating bloodYou still feel lightheaded, dizzy, or nauseous after drinking, eating, and resting.You develop a raised bump or continue bleeding at the needle site.You have arm pain, numbness, or tingling.

What should you not do after giving blood?

After your blood donation:Drink extra fluids for the next day or two.Avoid strenuous physical activity or heavy lifting for the next five hours.If you feel lightheaded, lie down with your feet up until the feeling passes.Keep the bandage on your arm and dry for five hours.More items…•

How much iron do you lose when you donate blood?

How much iron do I lose when donating blood or platelets? Each time you donate blood, you lose between 220-250 mg of iron. If you donate a Power Red, you lose twice that amount, about 470 mg of iron. It may take up to 24-30 weeks for your body to replace the iron lost through a blood donation.

What do you do if you feel sick after giving blood?

Feeling unwell after giving blood? If you feel faint (light headed or dizzy, hot, sweating, trembling, shaky or nauseous) lie down immediately, rest until you feel better and drink plenty of fluid. Any bruising is usually harmless and will disappear over time.

How long do side effects of giving blood last?

This will help prevent a fainting spell, and keep you safe while you give blood. After you donate, you may feel a little lightheaded or dizzy. These side effects usually go away after a few minutes. Be sure to drink extra fluids during the 24 hours after you donate.

Do and don’ts after blood donation?

Additional tips for after your donation: Keep the strip bandage on for the next several hours; to avoid a skin rash, clean the area around the bandage with soap and water. Don’t do any heavy lifting or vigorous exercise for the rest of the day.

What should I eat after donating blood?

Meats, fish, nuts and peanuts are common protein-packed foods rich in iron. In addition, foods such as raisins, beans, whole grains, rice flakes and watermelon can help restore your body’s iron to keep you healthy.

Can you get sick after giving blood?

People may feel fatigued or experience some dizziness, lightheadedness, or nausea after donating blood. This is because of the temporary lowering of blood pressure. If a person feels faint, they can sit down and put their head between the knees so that it is lower than the heart.

Does donating blood weaken your immune system?

Will giving blood weaken my immune system? There is no evidence blood donation weakens the immune system. Blood donation is needed to keep the supply available to patients who need it. To best prepare for your donation get sleep, eat a good meal, and drink fluids.

Why do I feel dizzy after donating blood?

When you give blood, your blood pressure can drop or your heart rate can slow down suddenly, and sometimes your body reacts to that. You might feel faint, nauseous, or light-headed or, in some cases, lose consciousness. Just remember that it isn’t uncommon and can happen to anyone – even experienced donors!

Is giving blood good for your body?

Health benefits of donating blood include good health and reduced risk of cancer and hemochromatosis. It helps in reducing the risk of damage to liver and pancreas. Donating blood may help in improving cardiovascular health and reducing obesity.

What happens if you drink after giving blood?

Do: Avoid Alcohol Donating blood increases the risk of dehydration, which doesn’t mix well with alcohol. Blood volume recovers fairly quickly for people who stay hydrated, so most donors will be able to handle alcohol 24 hours after their donation.