vitamin b12 injection effets secondaires Are Shots Safe? Royal Palm Beach Medical Group Vitamine B12 : quels effets

While often temporary, this increase in platelets carries serious risks: Deep vein thrombosis (blood clots in deep veins, usually in legs) Pulmonary embolism (blood clots in lungs) Arterial thrombosis (clots in arteries) Cerebrovascular events (strokes) Coronary artery thrombosis (heart attacks) Splanchnic vein thrombosis (clots in abdominal veins) The risk is particularly high in: Elderly patients Those with pre-existing heart disease Patients with inherited blood-clotting disorders Immobilized individuals Those with hardened arteries Neurological Symptoms and Joint Pain Paradoxically, B12 replacement can temporarily worsen or trigger new neurological symptoms

Henjum S, Brantsaeter AL, Kurniasari A, Dahl L, Aadland EK, Gjengedal ELF, et al

When any component fails, oral supplementation becomes far less effective, potentially requiring massive doses to achieve therapeutic blood levels

For each trial, the startle response was recorded every millisecond for 65 ms after the onset of the acoustic pulse