Acecarbromal (INN) (brand names Sedamyl, Abasin, Carbased, Paxarel, Sedacetyl, numerous others), also known as acetylcarbromal and acetyladalin, is a hypnotic and sedative drug of the ureide (acylurea) group discovered by Bayer in 1917[1] that was formerly marketed in the United States and Europe.

[2][3] It is also used in combination with extract of quebracho and vitamin E as a treatment for erectile dysfunction under the brand name Afrodor in Europe.

[4][5][6] Acecarbromal is structurally related to the barbiturates, which are basically cyclized ureas.

[7] Prolonged use is not recommended as it can cause bromine poisoning.

[7] This sedative-related article is a stub.