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Medical Conditions: Underlying health issues like an underactive thyroid, diabetes, heart disease, kidney disease, or even certain infections can manifest as profound fatigue
Although generally safe, injections should be used with caution in people with a history of allergic reactions to cobalamin or in people with Leber's disease (hereditary optic neuropathy), as B12 may worsen the condition
Proper storage ensures the vitamin maintains its effectiveness, reducing the risk of administering an ineffective dose
chronic liver disease and hepatitis may present with elevated levels Renal impairment : Reduced clearance can contribute to accumulation, though this is rarely clinically significant Solid tumours : Certain malignancies, particularly hepatocellular carcinoma and metastatic disease, may elevate B12 levels [3] Evidence suggests that unexplained markedly elevated B12 levels without supplementation may sometimes be associated with underlying disease
Most bruises resolve within 3-7 days
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