How many micrograms are in a B12 shot?
For vitamin B12 deficiency: The usual dose is 30 mcg as an injection into the muscle or under the skin daily for 5-10 days. For maintenance therapy, 100-200 mcg once monthly is commonly used. Both cyanocobalamin and hydroxocobalamin forms are used.11-Jun-2021
What size syringe do you use for B12 injections?
Intramuscular (IM) injections Needle length is usually 1"–1½", 22–25 gauge, but a longer or shorter needle may be needed depending on the patient's weight. Note: An alternate site for IM injection in adults is the anterolateral thigh muscle.21-Jul-2020
What size needle do you use for IM injections?
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).
What are the needle sizes for injections?
Longer needles (½ inch or longer) are commonly used for intramuscular injections, while shorter (shorter than ½ inch) needles are more often used for intravenous injections.