Amlodipine
"I have been taking this medicine for about a month.  It was prescribed to me a week prior to surgery for high blood pressure.  I have noticed significant swelling in my legs and ankles along with stuffiness in my nose.  It has controlled my blood pressure but has now started to cause pain and spider veins in my legs, behind my knees in particular.  I am going to try to increase my activity level and hope that it helps with the swelling.  I also have severe anemia so it is hard to tell if the anemia is contributing to these symptoms or not."