Choosing a Syringe and Needle Size for an Injection | 合法醫療器材資訊網

Forexample,a22G1/2needlehasagaugeof22andalengthofhalfaninch.NeedleGauge.Ifyouneedtoinjectyourselfwithasmallamountofmedication, ...

Giving yourself shots—of insulin[1] or for fertility treatment[2], for example—requires proper technique and the right equipment. Needles and syringes come in different sizes, and some are better suited for certain uses than others.

The right needle size for your injections depends on how much medication you need, your body size, and whether the drug has to go into a muscle or under the skin. Your syringe also has to be big enough to hold the right dose, but not so big that it makes measuring small amounts difficult.

Not only will having the correct needle and syringe for you help ensure you get the correct amount of your medication, it will also make injections easier and less pain...