<s>[INST] I am 19 After I donated blood i felt angry all of a sudden but i felt really light too not light headed like i could move faster and i noticed that i took notice of every thing around me like myy sense became a bit hightened from the experence should I be concerned? [/INST] Hello, Thank you for your contact to Chat Doctor. I understand your concern. If I am your doctor I suggest you that blood donation won't cause such a reaction. We had carried out many blood donation camps from many years but we haven't find even a single case of such whicChatDoctorplaints of short leopardess. Donating a blood is a very good and noble cause. Do as much you can give. Also inspire for your known for blood donation. I will be happy to answer your further concerned can contact me. Chat Doctor. Infectious disease specialist. Thank you. </s>