I was experiencing these symptoms when I went to my doctor Before! taking Lisinopril : Headache in morning and night, occasional nausea and hacking cough, dizziness and blurred vision, muscle aches, depression, fatigue. I was afraid I will seriously ill. Since I have been on Lisinopril for five days now. I experienced the sore throat and chest pain but it is minor compared to the rest of my symptoms I had before I started taking it. I am also taking Crestor for high cholesterol. I feel much better, I do notice I wake up when the medication in my system runs out but go right back to sleep and I sleep better at night. I wonder if having the symptoms that Lisinopril gives you before taking it made this a different experience for me. Because I am frankly surprised by reading the other posts on this site.