Levaquin Side Effects: I was prescribed Levaquin for a sinus infection. Shortly after t http://www.medications.com/effect/view/26870 I was prescribed Levaquin for a sinus infection. Shortly after taking the drug, I noticed a heavy metallic taste in my mouth. After two doses, I did notice the sinus infection was getting much better and decided I was well enough to go out to dinner with Does you husband know that there is a drug interaction between le Sun, 03 Feb 2008 21:13:38 -0500 http://www.medications.com/effect/view/26870?item=4576 Does you husband know that there is a drug interaction between levaquin and nsaids? http://www.medications.com/effect/view/26870?item=4576