"i started taking belviq twice a day faithfully , first week no change in appetite ,cravings or weight. second week i felt like i gained weight still no change in appetite ,gained 3 lbs. so upset after spending $88.00,i abruptly stopped and made dr. aware. she never said to wean off. within 2 days major withdraw, had abdominal cramping, nausea and vomiting all night until i took another pill. then decided for the next 4 days to slowly wean off which i did. this is a strong as medication. don&#039;t stop abruptly! didn&#039;t work for me."