Lovenox Side Effects: I have intense headaches after taking my lovenog injection, follo http://www.medications.com/effect/view/12004 I have intense headaches after taking my lovenog injection, followed by extreme fatigue. I have never felt headaches like this before-nothing helps them. Patty Did you just start the lovenox? I have been on Lovenox on and of Wed, 06 Feb 2008 20:10:23 -0500 http://www.medications.com/effect/view/12004?item=4643 Did you just start the lovenox? I have been on Lovenox on and off for about 2 years and everytime I go back on it I feel like almost like I have the flu headache body aches just completely exhausted usually will last for about 2 weeks to a month if this l http://www.medications.com/effect/view/12004?item=4643