What are the possible side effects of trazodone (Desyrel)?
Stop taking trazodone and call your doctor at once if you have a penis erection that is painful or lasts 4 hours or longer. This is a medical emergency and could lead to a serious condition that must be corrected with surgery. Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any new or worsening symptoms such as: mood or behavior changes, anxiety, panic…
