One important factor influencing the efficacy of intra-articular drugs is their residence time within the joint
The parenteral administration also halts the progression of neurological damage associated with B12 deficiency, but the complete improvement of the condition may depend on the severity and extent of the deficiency.[12][13] Contraindications & Precautions Cyanocobalamin is contraindicated in those with hypersensitivity to cobalt moiety or cobalamin molecule due to the risk of anaphylaxis.[21] Warnings: The use of cyanocobalamin is warned in patients with early Lebers disease as there have been reports of severe and swift optic atrophy with its administration
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Most medical documents indicate you might experience any of these: Mild diarrhea and/or upset stomach Difficulty breathing or swallowing Weight loss or weight gain Nervousness or restlessness Nausea or vomiting Headaches or migraines Paresthesias (tingling sensations) Rhinitis (chronic sneezing or a congested, drippy nose) Skin reactions, such as rash, itching, swelling, blisters, or pain at the site of injection Light joint pain Lightheadedness or dizziness Chest pain or discomfort Low blood potassium levels Irregular heartbeat Chills, night sweats, fever, or hot flushes General feeling of sickness However, people often fail to recognize that many side effects of vitamin B12 injections are consistent with B12 deficiency itself