Fominoben is an antitussive agent of the benzanilide class, formerly marketed under the name Noleptan.
[3] It is reported to have respiratory stimulant activity.
[4] Other research has indicated it may be an agonist at the benzodiazepine site of the GABAA receptor.
[6] Adverse effects include appetite suppression, nausea, vomiting, insomnia, irritability, and hallucinations.
Rarer side effects include somnolence, dizziness, dry mouth, blurred vision, and urticaria.