Drug Interactions Antacids, Sucralfate, Multivitamins and other Products Containing Multivalent Cations. Fluoroquinolones, including Avelox, form chelates with alkaline earth and transition metal cations. i'm allergic to eggs and i broke out in hives after getting the flu shot. i also develped sinusitus and fluish symptoms. but i heard this is normal reaction to flu shot, so i'm not sure if it was my allergies or not. In 2006, Rachel Brummert developed a sinus infection, and her doctor prescribed Levaquin, one of a class of powerful antibiotics called fluoroquinolones. AVELOX Tablets. AVELOX Tablets are available as film-coated tablets containing moxifloxacin hydrochloride (equivalent to 400 mg moxifloxacin). In addition to common side effects such as nausea and headaches, fluoroquinolones like Cipro, Levaquin and Avelox can cause tendon rupture and nerve damage. Paliperidone comes as an extended-release (long-acting) tablet to take by mouth. It is usually taken once a day in the morning with or without food. Tetracycline should be taken at the same time each day to maintain an even level of the antibiotic in your system. OP. Why not get a clear diagnosis first. Your doc can swab and culture and determine if you in fact do have an infection. That would be step 1. I am not a fan of antibiotics but did take Augmentin for a sinus infection and it worked very well. Mexiletine comes as a capsule to take by mouth. It is usually taken three times a day, every 8 hours. Some people may take it twice daily, every 12 hours, once their arrhythmias have been controlled with mexiletine. Cipro can cause mild or serious side effects. The following list contains some of the key side effects that may occur while taking Cipro. This list does not include all possible side effects.