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.
Antibiotics can take two to three weeks to leave your system. They seem to work overtime to clean up your system even after you stop taking the pills. Also, some antibiotics work longer or shorter depending on the kind. For instance, Neomycin, is not completely absorbed into the blood system and is excreted out through urine and fecal matter. In this case, it is only in the system for 4-5 days.