For intramuscular injection, stretch the skin taut and insert the needle at 90 degrees into the muscle
Chandyo RK, Ulak M, Kvestad I, Shrestha M, Ranjitkar S, Basnet S, Hysing M, Shrestha L, Strand TA
Most patients describe the injection as a brief pinch or mild sting that lasts only a second or two
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Symptoms of vitamin B12 deficiency may include any or all of the following: Chronic fatigue (4) or low energy (despite getting enough sleep) Shortness of Breath Macrocytic anemia (5) High MCV (mean corpuscular volume on CBC analysis) Neurological changes that can mimic dementia (6) Depression (7), anxiety, and other mood disorders Difficulty with concentration (8) Brain fog Skin changes like hyperpigmentation (9), vitiligo, or angular stomatitis Hair changes (including hair loss (10)) Perhaps you can relate to one or more of these symptoms noted above