b12 injection how long to feel better Does a Shot Last? Why do I feel worse

Dosage, Concentration, Route of Administration Dosage : Seek advice from an appropriately qualified and licensed physician, medical director, or other healthcare provider Concentration : 2mg/ml Route of Administration : IV/IM/SQ Resources: Precautions/Side Effects Hydroxocobalamin injections are contraindicated in people with low blood potassium or allergies to vitamin B12 or cobalt

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The most common injection sites are large muscles that can handle the vitamin solution with ease

B12 deficiencies can be asymptomatic but eventually lead to overall weakness, lightheadedness, the feeling of pins and needles, heart palpitations, vision changes, and more