What is the best needle gauge to use on children when drawing with a syringe?

Explanation:

The best needle gauge to use on children when drawing blood with a syringe generally varies depending on the age and size of the child, as well as the volume of blood needed and the viscosity of the fluid being injected or drawn.

Typically, for blood draws in children, a 22 gauge or 24 gauge needle is recommended. A 22 gauge needle is large enough to allow for efficient blood draw without being too large to cause excessive pain or damage to the child's smaller veins. A 24 gauge needle might be used for neonates or very small children due to their even smaller veins.

A 16 gauge needle is much larger and is typically used for rapid administration of fluids in adults, which would be too traumatic for pediatric use. A 20 gauge needle can be used for various procedures but is less commonly used for blood draws in children.