Ziconotide

How it works

Cone snail toxin that blocks N-type calcium channels, which pain nerves use to relay signals. Infused in the spine for severe pain.

What it's made of

The toxin of the magician cone snail, copied exactly: 25 amino acids folded by 3 sulfur bridges.

What it's for

Prescribed for

Severe chronic pain that does not respond to other treatments.