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Hyperhomocysteinemia and of Methylenetetrahydrofolate Reductase (C677T) Genetic Polymorphism in Patients with Deep Vein Thrombosis

Reported effects are mild and transient: Localized irritation or redness at injection site, Mild fatigue or transient headache during initial days, Rare gastrointestinal upset (nausea, stomach discomfort)

Moderate reactions: Swelling, like in the face, lips, tongue, or throat

If needed, sonication (brief exposure to ultrasonic waves) can help dissolve stubborn peptides

Polycythaemia Vera: Treatment with B12 can mask the diagnosis of this blood disorder, so careful monitoring is necessary if B12 is started before a complete diagnosis