Biaxin Side Effects: Biaxin Side affects were mild for the first four weeks. I've rec http://www.medications.com/effect/view/24153 Biaxin Side affects were mild for the first four weeks. I've recently experience fast heart rate, headache, pins and needles in feet and hands, tremors in hands and the medicine isn't working on the infection. I will consult my doctor about stopping the u continue taking.it kills every bacteria in 10 days of medication. Sun, 07 Oct 2007 13:52:03 -0400 http://www.medications.com/effect/view/24153?item=2269 continue taking.it kills every bacteria in 10 days of medication. It messed up my life for 10 days but worth it. http://www.medications.com/effect/view/24153?item=2269