including risk of suicide, may occur. alcohol may increase these risks. allergic reactions, such as tongue or throat swelling, occur rarely and may be fatal. side effects may include unpleasant taste, headache, dizziness and morning drowsiness. ask your doctor if lunesta is right for you. then get lunesta for $0 at lunesta.com. there's a land of restful sleep. we can help you go there on the wings of lunesta.