Table 3.

Contraindications for LP

Relative contraindications Platelet count of less than 20000–40000/cu mm Thienopyridines therapy

Absolute contraindications Non-communicating obstructive hydrocephalus Uncorrected bleeding diathesis Anticoagulant therapy (timing of LP depends on the stopping of anticoagulant drug) Platelet count less than 20000/ cu mm Spinal canal stenosis or spinal cord compression above level of puncture Local skin infections