If you've under-reported income by 25 percent, however, the IRS can go six years back, or seven if you claim a loss for bad debt or worthless securities. If you don't file, or if you file a fraudulent return, the IRS has no statute of limitations; so it may be best to keep your records indefinitely.
1 For a simple bladder infection, you will take antibiotics for 3 days (women) or 7 to 14 days (men). 2  If you are pregnant or have diabetes, or have a mild kidney infection, you will most often take antibiotics for 7 to 14 days.  Finish all of the antibiotics, even if you feel better.
How long does it take for antibiotics to kick in. Antibiotics should take effect within 2 to 3 days. Sometimes you will see an improvement as quickly as within 12 hours depending on the type of infection and antibiotic used to treat it. ChaCha! [ Source: http://www.chacha.com/question/how-long-does-it-take-for-antibiotics-to-kick-in ]