"my dr prescribed me the contrave to lose weight. i took the first &amp; only pill yesterday. i wound up in the er from an allergic reaction to this pill. it was the only thing different i had took. 30 min after taking it i was shaking all over inside &amp; out. it felt like my insides were trying to crawl out of my body. i had chills was literally freezing &amp; it was in the low 90s. very bad headache my tongue swelled up later that nite could hardly talk. hurt to be touched i couldn&#039;t be still i was shaking really bad. the worst experience i&#039;ve ever had. i literally thought i was going to die."