question: What are the side effects of Nalmefene?
answer: Side effects of nalmefene include nausea, dizziness / lightheadedness, insomina, fatigue, vomiting, reduced caloric intake / apetite, increased self-rated alertness and decreased tiredness. In horses some passage of semifluid fecal material, intermittent penile relaxation, and mild sedation has been described. In some studies nalmefene was well tolerated by all subjects, and no clinically significant adverse effects were observed.