This can happen with deeper injections, such intramuscular or intravenous injections
This painless procedure is done under anaesthetics and takes just a few minutes to complete
Early haematological response begins with reticulocytosis (increased production of immature red blood cells) typically by day 3-4 of treatment , particularly with injectable forms, though the full resolution of symptoms may take several weeks to months
The same 500mcg via nasal spray delivers roughly 200-300mcg systemically
you will be awake throughout the appointment
The evidence is still developing, and this combination is approached as an individualized, provider-directed option with honest expectations never a stand-alone healing shot, and never a replacement for proper rehab, sleep, nutrition, and balanced hormones