FAQ: Where To Inject B12?

Is vitamin B12 injections subcutaneous or intramuscular?

Cyanocobalamin is usually administered by IM or deep subcutaneous injection. If the drug is administered subcutaneously, care should be taken to avoid injection into the dermis or upper subcutaneous tissue. Because the drug is excreted more rapidly after IV injection, the IV route should be avoided.

Can you do B12 injections at home?

Using B12 shots at home as a treatment for vitamin B12 deficiency can be very effective in managing and treating your condition. The injections are relatively easy and painless to administer, and you can do it all from the comfort of your own home.

How is B12 injection given?

This medication is given by injection into a muscle or under the skin as directed by your doctor. Dosage is based on your medical condition and response to treatment. Injections may be given daily when you first start treatment.

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How do you inject B12 in your arm?

The injection site will be in the muscle directly below your two fingers. Think of a triangle and you will insert the needle in the center of the triangle. (Picture 4-D). Location of the bone at the top of the arm Injection site Page 6 The Angle of the needle: The needle must go into the skin at a 90° angle.

How long do B12 injections last?

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 often can you have B12 injections?

The usual dose for pernicious anemia-associated vitamin B12 deficiency is 100 mcg given as an injection into the muscle or under the skin once daily for 6-7 days. Then the dose may be given every other day for 7 doses followed by every 3-4 days for around 3 weeks. Then, 100 mcg should be injected every month for life.

Do I need a prescription for B12 injections?

A B12 shot contains high levels of cyanocobalamin, which quickly elevates B12 levels in the body. Injections are water-soluble, which helps your body store and use the vitamin as it’s needed. Shots can be self-administered or given by a doctor. You need a prescription for injections.

How do you make a B12 syringe?

How to draw up B12 (labeled as Methylcobalamin) Injections

  1. Wash your hands.
  2. Remove the plastic cap and wipe down the rubber stopper on the top of the bottle with an alcohol swab or cotton soaked with alcohol.
  3. Take the 3ml syringe out of the the package, remove tip cover avoiding contact with the tip of syringe.
  4. Pull back plunger and drawback air to the 1ml mark on the syringe.
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What are the side effects of 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.

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

What can I expect from 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.

What are the benefits of a B12 injection?

An injection of B12 can bring on immediate health benefits.

  • Increases Energy Levels and Concentration.
  • Improves Metabolism and Helps With Weight Loss.
  • Boosts the Immune System.
  • Helps Improve Sleep Patterns.
  • Helps Stop Certain Types of Hair Loss.

What happens if you hit a blood vessel while injecting?

Injecting a blood vessel can cause serious complications in rare cases. However, the likelihood of hitting a blood vessel in the subcutaneous fat is extremely rare. More than likely, if there is blood, it is from slight bleeding after the injection.

Can you overdose on B12?

Since B12 is a water-soluble vitamin, it’s generally considered safe, even at high doses. No Tolerable Upper Intake Level (UL) has been established for B12, due to its low level of toxicity. UL refers to the maximum daily dose of a vitamin unlikely to cause adverse side effects in the general population.

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What size needle is used for intramuscular injection?

A 1” needle is sufficient in adults weighing 130–152 lbs (60–70 kg). A 1–1½” needle is recommended in women weighing 152–200 lbs (70–90 kg) and men weighing 152–260 lbs (70–118 kg). A 1½” needle is recommended in women weighing more than 200 lbs (90 kg) or men weighing more than 260 lbs (118 kg).

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