is b12 injection safe during pregnancy are injections The Advantages of B12 Injections Versus Oral Supplements: Shawn Veiseh Are B12 Shots Safe? Royal

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After your injection, avoid: Strenuous exercise for a few hours Rubbing or massaging the injection site Alcohol, which can interfere with absorption Most patients resume normal activities immediately, but its always best to rest a bit after your visit

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Rare side effects of B12 shots (require medical attention) Serious reactions to B-12 shots are uncommon, but its important to be aware of them: Allergic reaction, including rash, hives, dizziness, or trouble breathing Significant swelling, pain, or warmth that worsens at the injection site Palpitations or chest discomfort Signs of drug interactions, especially if you take multiple prescription medications If you experience symptoms that feel intense, progressive, or unusual, you should contact your provider right away

Vitamin B12 deficiency from the perspective of a practicing hematologist