http://www.medications.com/effect/view/25364 After 9 months on Norvasc the symptoms intensified. Very dizzy, weak, nausea from spinning head, insomnia. Num feeling in left hand. Within 24 hours after stopping Norvasc the symptoms started to subside. The heaviness in the chest was there but I thought i Thu, 18 Sep 2008 09:56:26 -0400 http://www.medications.com/effect/view/25364?item=12494 I Googled my symptoms and am very happy to find this site. I have been on Norvasc for 9 months too. I have developed thigh numbness and just recently thigh heaviness. I am going to stop taking Norvasc as a trial to my symptoms.It never occurred to me th http://www.medications.com/effect/view/25364?item=12494