After donating blood, its likely youll experience some physical weakness, especially in the arm into which the needle was injected. For that reason, the nurses will advise you to avoid intense physical activity or heavy lifting for five hours after you donate blood.
How long do you feel weak after giving blood?
Still, it may take a few weeks to replace the pint of blood drawn during a donation. In the meantime, few people feel any effects of the lack of blood. A person must wait at least 8 weeks between donations to ensure that their body has enough time to recover.
Why do I feel so tired after giving blood?
Fatigue and lightheadedness. 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.
How do you feel after giving blood?
Side effects of donating blood Some people may feel nauseous, lightheaded, or dizzy after donating blood. If this happens, it should only last a few minutes. You can lie down with your feet up at the until you feel better. You may also experience some bleeding at the site of the needle.
Can I drink coffee after giving blood?
“Continue drinking plenty of liquids for the next 24-48 hours to prevent low blood pressure, adds Agrawal. Dr Chaturvedis advice is to avoid caffeinated drinks (colas, coffees, etc.) for the next 8-10 hours since caffeine is a diuretic and causes loss of fluids from the body.