Nepinalone is a

cough suppressant Cold medicines are a group of medicinal, medications taken individually or in Combination drug, combination as a Symptomatic treatment, treatment for the symptoms of the common cold and similar conditions of the upper respiratory tract. The ter ...

. Its brand names include Placatus, Tussolvina, and Nepitus. The effect is evident after 20–30 minutes after administration and persists for at least 4 hours. It acts primarily at the level of the CNS, but also shows a slight activity in inhibiting the bronchospasm. In such use, it is less effective than codeine and more effective than dextromethorphan in inhibiting the tussive stimulus

References

Antitussives 1-Piperidinyl compounds Ketones Tetralins {{respiratory-system-drug-stub