
Hello, The Last Time I Donated Blood, I Ate A

perhaps the effects of lower blood volume...
Detailed Answer:
Hello,
the donation itself does not have any side effects except the reduction of blood volume. In most individuals, this is not too much to bear with and it usually only causes minimal -if it does at all- symptoms. Perhaps your age and your history of diabetes have made your arteries less compliant which may translate into an exaggerated blood pressure reduction after losing some blood volume. The most common first manifestation of this disorder is orthostatic (postural) hypotension which may present as faintness, nausea, vomiting, etc, and - if the individual does not lie down immediately - even syncope.
The body usually corrects the low blood volume soon enough though. Prolonged symptoms would warrant a careful assessment of potential cardiovascular (ischemic) complications.
I hope I've answered your question. Please let me know if you need further assistance.
Kind Regards,
Dr. Panagiotis Zografakis,
Internal Medicine Specialist

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