Your healthcare provider may instruct you to fast before having certain laboratory tests performed.
How long do I need to fast?
Typically, you will be instructed to fast eight to ten hours before having your blood drawn. However, you should always follow your healthcare provider’s instructions.
Can I eat or drink when fasting?
When fasting, do not consume any food or drink with the exception of water.
Should I take my medications?
You should take your medications as usual unless your healthcare provider instructs you otherwise.