Avoid driving and other activities requiring alertness while taking this medication. Avoid alcohol and other depressants. Effects may take 2 nights before any benefits are noticed.
Dicumarol and warfarin may decrease hypoprothrombinemic effect. Other depressasnts such as alcohol, barbiturates, and MAOIs may enhance CNS depression when administered with ethchlorvynol.
Contraindicated in patients exhibiting hypersensitivity to this drug, in patients with severe pain, and in patients with porphyria.