b12 injection side effects fatigue Why do I feel worse after a injection? What feels like stress, laziness
What feels like stress, laziness or overthinking may sometimes be your body asking for attention. Low Vitamin B12 can be associated with fatigue, brain fog, irritability and numbness. Don't keep guessingget screened Why Do I Feel Worse After My B12 Injection Feeling tired even after enough rest? Experiencing frequent hair fall, tingling in your hands or feet, mouth ulcers, or difficulty concentrating? These symptoms may be signs of Vitamin B12 deficiency, a condition I Feel Tired All the Time. Do I Need a B12 Shot?: Shawn Veiseh, M.D.: Family Medicine
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