http://www.medications.com/effect/view/42498 I was prescribed Levaquin in my early twenties (about 10yrs ago) for a sinus infection and my throat swelled up after 1 pill. Turns out I had an allergic reaction to it. I was taught that It's in the same family as Penicillin, being that I'm allergic to P Wed, 24 Jun 2009 21:24:58 -0400 http://www.medications.com/effect/view/42498?item=20938 Levaquiun was only introduced in pill form in 2004. It is commonly prescribed for people allergic to Penicllin. It is not in the same family. It is a flouroquinolone. Perhaps, you are confusing levaquin with another drug. http://www.medications.com/effect/view/42498?item=20938 Thu, 25 Jun 2009 09:09:09 -0400 http://www.medications.com/effect/view/42498?item=20952 Thank you kindly for your reply to my posting. I am not confusing what I was prescribed to me. Levaquin is what I took. Being that I would have sinus infections every year I would pay attention to what worked for me and didn't. Perhaps I received the w http://www.medications.com/effect/view/42498?item=20952