Needle Sizes for Intraarticular Steroid Injections

Larger Joints (e.g. knee or shoulder) A 1.5 inch, 21-gauge needle is usually used. Smaller Joints A 0.5 inch, 23- or 25-gauge needle can be used. Note that viscous steroid preparations can’t be injected through small-bore needles. You have to use a larger one....