Peratheline was a drug that was available to the Federation in the late 24th century, and was known to alleviate the symptoms of space-sickness.

In late 2379, Lieutenant Alyssa Ogawa injected Doctor Xin Ra-Havreii with two cc's of peratheline to abate the sickness he was feeling after his supply of levithi nuts ran out. (TTN novel: Taking Wing)