"i have taken contrave for 6 weeks. slight nausea. slight constipation. i added yogurt and i&#039;m fine. problem is, i had a black out last week. i lost 5-7 hours of my day. i have lost 13 pounds. now o need to be off contrave. and it lasts two weeks in my system. so family is freaking and watching me like i&#039;m a crazy person. oh well. i hope i recover."