Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Rip off!!!

I starting taking Leptopril about 3 weeks ago. I did not lose any weight and I felt very out of it the whole time. I had a constant headache and if I didn't eat every hour or so I got nauseous. I took them for so long hoping that my body would get used to the pills, but that never happened. Stay away from these pills!