You might also be looking for the Tarellian plague.

The Terrellian plague was a devastating viral infection, renowned for the excruciating discomfort its victims suffered.

The first symptoms of Terrellian plague was a minor headache; shortly later the symptoms became much, much worse. (ENT: "Singularity")

In the anti-time future (c. 2395), experienced by Captain Picard, the Terrellian plague had spread to Romulus. Only a few medical ships were allowed enter to treat the victims TNG: "All Good Things...".

It is often used in hyperbole or as an exaggerating comparative: "It's heartburn, Neelix, not the Terrellian plague." (VOY: "Message in a Bottle")