<unk> , sold under the brand name Wakix among others, is a medication for the treatment of excessive daytime sleepiness in adults with narcolepsy. It is a histamine 3 (H3) receptor antagonist/inverse agonist. It represents the first commercially available medication in its class.<unk>  enhances the activity of histaminergic neurons in the brain that function to improve a person's wakefulness. The most common side effects include difficulty sleeping, nausea, and feeling worried. The U.S. Food and Drug Administration (FDA) considers it to be a first-in-class medication.
Pitolisant
Beractant
Dirlotapide
Magaldrate
Piritramide
Bocasan
Almorexant
Vigabatrin