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Some experts recommend a 5/8-inch needle for men and women weighing less than 60 kg, if used, skin must be stretched tightly and subcutaneous tissues must not be bunched.
Subcutaneous injections go into the fatty tissue just below the skin. These shots are fairly shallow. The needle required is small and short (typically 1/2 to 5/8 of an inch long) with a gauge of 25 to 30. Intramuscular injections go directly into a muscle.
A subcutaneous injection needs a shorter needle because the medication is delivered just under the skin. An intramuscular (IM) injection needs a longer needle because the medication is delivered into the muscle. Your syringe size will vary depending on how much medication you inject with every dose.
**Prior to administering an IM injection, refer to your procedure manual to determine the injection site utilising body landmarks. *** Location, needle length & gauge dependent on patient age, physical condition and medication requirements.
Subcutaneous needles range in gauge from 25-31 and in length from ½ inch to ⅝ inch. Prior to administering the injection, determine the amount of subcutaneous tissue present and use this information to select the needle length. A 45- or 90-degree angle is used for a subcutaneous injection.
Women weighing more than 200 lbs (90 kg) or men weighing more than 260 lbs (118 kg): Use of a 1½" needle is recommended. Subcutaneous (Subcut) injections. Inject at a 45-degree angle into fatty tissue overlying the triceps muscle — a 5/8" needle, 23–25 gauge is recommended.
Needles with a length of 6 mm or less are safe for most people and help to minimize pain.2 These needles can safely be used, even in patients with a higher body weight or BMI (more than 30 kg/m2).1,2.
Vaccine Dose Route Injection Site and Needle Size. COVID-19 For product and dosage information for COVID-19 vaccine, see Immunize.org’s “Checklist of Current Versions of U.S. COVID-19 Vaccination Guidance and Clinic Supply Tools” at www.immunize.org/catg.d/p3130.pdf. Dengue (DENV4CYD) 0.5 mL. Diphtheria, Tetanus, Pertussis.
Grey: 16 gauge. Blue: 22 gauge. How do I verify gauge and needle length before use? The selection of a particular needle for a specific application depends on factors such as the route of administration, the volume and viscosity of medication, and the size and condition of the client.
Subcutaneous injection angle. For normal-size or obese adults: 90-degree angle ; For children or thin adults: 45-degree angle; Subcutaneous injection needle size. Needle size is based on client size, with a range of 25–31 gauges and a length from ½ inches to ⅝ inches. How to give a subcutaneous injection (technique for nurses)