Healthsheet | Published February 16, 2009

Having a Lumbar Puncture

A lumbar puncture (spinal tap) may be used to help diagnose certain problems in your brain or spinal cord. Prepare for your test as instructed. From start to finish, your procedure will take about 30–60 minutes.

Woman lying on side on exam table with back exposed. Healthcare provider wearing gloves is using swab to put cleanser on woman's lower back.

During the Test

After the Test

When you're able to leave, be sure to have someone drive you home. Lie down flat in bed or take it easy, as advised by the doctor. And drink plenty of water. If you get a headache, lie down flat. You may also want to take an over-the-counter pain reliever. The day after your lumbar puncture, you can remove your bandage. Your doctor will tell you when the results of your lumbar puncture are ready.

Call Your Doctor If:

You have a severe headache or one that lasts 2 or more days.
You have pain in your back that persists.
You have tingling in your groin or legs.
You have a fever.