Tick paralysis

Definition

A condition caused by the bite of certain ticks that results in a motor paralysis typically affecting the lower limbs and spreading to other body regions.

Etymology

Combination of 'tick' (the arachnid) and 'paralysis' (loss of muscle function).

Example

Tick paralysis can be caused by several species of ticks, but the most common culprits are Dermacentor andersoni and Ixodes holocyclus.

Related Terms

• Ticks
• Neurotoxins
• Paralysis

Usage Notes

The onset of tick paralysis is rapid and symptoms often improve after removal of the tick. Recovery usually occurs quickly after removal, but complications can arise if the tick is not removed promptly.