Quick Answer: Who Do I Have A Welp After I Took A B12 Shot?

Can B12 injections cause swelling?

Pain/redness at the injection site, mild diarrhea, itching, or a feeling of swelling all over the body may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Can you have a reaction to a B12 injection?

You may have some pain, swelling or itching where your injection was given. However this is usually mild and will wear off quite quickly.

Can a B12 shot cause a rash?

Injectable vitamin B-12, which is used to treat significant deficiencies, can cause the following side effects: mild diarrhea. itching. skin rash.

Can B12 injections cause hives?

Rarely, intramuscular injections of vitamin B12 have also been associated with life-threatening anaphylaxis. The symptoms of anaphylaxis may include itching, hives, shortness of breath, wheezing, vomiting, diarrhea, or anaphylactic shock.

What happens when your vitamin B12 is low?

Not having enough B12 can lead to anemia, which means your body does not have enough red blood cells to do the job. This can make you feel weak and tired. Vitamin B12 deficiency can cause damage to your nerves and can affect memory and thinking.

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How often should you have B12 injections?

If your vitamin B12 deficiency is not caused by a lack of vitamin B12 in your diet, you‘ll usually need to have an injection of hydroxocobalamin every 2 to 3 months for the rest of your life.

How long does a B12 shot stay in your system?

“Most of the dose is excreted within 24 hours, so many patients are on their knees for probably 10 of the 12 weeks between injections, or they feel forced to buy B12 online from abroad,” she says.

How does a B12 shot make you feel?

A few mild side effects are associated with the B12 shots, including pain or redness at the injection site, mild diarrhea, itching, or swelling. While these symptoms are usually nothing to worry about, you are advised to contact your health care professional if they persist or worsen.

What are the side effects of having B12 injections?

B12 shot side effects include, but are not limited to:

  • Swelling at the injection site.
  • Mild diarrhea.
  • Itching.
  • Swelling in the body.
  • Low potassium.
  • Headache.
  • Dizziness.
  • Vomiting.

Can vitamin B12 cause skin problems?

Skin lesions associated with vitamin B12 deficiency are skin hyperpigmentation, vitiligo, angular stomatitis, and hair changes. Cutaneous lesions that do not respond to conventional therapy can be an indication of vitamin B12 deficiency. Malabsorption is the most common cause of vitamin B12 deficiency.

What are the neurological symptoms of B12 deficiency?

A lack of vitamin B12 can cause neurological problems, which affect your nervous system, such as:

  • vision problems.
  • memory loss.
  • pins and needles (paraesthesia)
  • loss of physical co-ordination (ataxia), which can affect your whole body and cause difficulty speaking or walking.
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What medications should not be taken with B12?

Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers

Does vitamin B12 make you sun sensitive?

What Happens If We’re Deficient? A Vitamin B deficiency can wreak havoc on your skin, causing acne, rashes, dry and flaky skin, cracked lips, and wrinkles. It can also make your skin more sensitive to sunlight, personal care products, and other potential aggressors, and can accordingly lead to redness and irritation.

How long do side effects of B12 injection last?

How long will the effects of a B12 shot last? The effects of our shots vary between individuals. Most people feel the effects for about one week.

Can too much B12 make you itch?

Common side effects of taking vitamin B12 include headaches, itching, swelling, nervousness or involuntary movements. These symptoms should lessen and subside over time. However, should any become persistent or more severe, it’s recommended that you check in with your primary care physician.

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