Leuprolide
"EXTREME HEADACHES!! 
Lupron - I started the medication 5 days ago and starting on day 3 I began getting really bad headaches and it doesn't seem to ever go away. I cannot take Advil so I'm not sure if that would help. I tried taking a nap but I wake up and it's still there. Never had this problem before so I'm certain it's the Lupron. Other than that I have no other complaints."