Question: Why Would A Person Need A B12 Shot?

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.

How do you know if you need a B12 shot?

If you have pernicious anemia or have trouble absorbing vitamin B12, you‘ll need shots of this vitamin at first. You may need to keep getting these shots, take high doses of a supplement by mouth, or get it nasally after that.

How long does it take for B12 supplements to work?

A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells. Once B12 reserves reach normal levels, injections of vitamin B12 will be needed every one to three months to prevent symptoms from returning.

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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

How often should you get B12 shots?

Once your B12 levels stabilize, you only need to administer every three to four days for 2-3 weeks. To maintain appropriate levels, it is suggested you take one B12 injection monthly and frequently get blood tests to determine future treatment.

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.

What does a B12 deficiency tongue look like?

B12 deficiency will also make the tongue sore and beefy-red in color. Glossitis, by causing swelling of the tongue, may also cause the tongue to appear smooth.

How long does a vitamin B12 shot 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.

Is it OK to take vitamin B12 at night?

You may need to take vitamin B-12 separately from the above drugs and supplements — say, one in the morning and one at night — so you can get the full dose of vitamin B-12. Don’t take vitamin B-12 supplements if you have sensitivities or allergies to vitamin B-12, cobalt, and any other ingredients.

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What to expect after getting a B12 shot?

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.

Should you take B12 everyday?

The recommended daily intake (RDI) for vitamin B12 for people over 14 is 2.4 mcg (1). However, you may want to take more or less, depending on your age, lifestyle, and specific situation.

Is it okay to take vitamin B12 daily?

While the recommended daily amount of vitamin B-12 for adults is 2.4 micrograms, higher doses have been found to be safe. Your body absorbs only as much as it needs, and any excess passes through your urine. High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache.

Does B12 give you energy?

Vitamin B12 is involved in energy production in your body. Taking a supplement may improve your energy level, but only if you‘re deficient in this vitamin.

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