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Taking Provera to delay a period is often effective in that purpose. However it is important to know that the medication does have some side effects which are temporary and self limiting , especially when the course of therapy is as short as the one you took.
Bloating is a common complaint, and usually abdominal bloating is more common then other area. Limiting your intake of salt & sugar will limit the amount of bloating. Another common complaint is a change in the next 1-2 menstrual cycles. This is because your natural hormonal cycle was put on hold and now it is trying to get back on rhythm. The brownish discharge is the end of the menstrual flow which took longer to resolve. So yes this discharge can last this long, and next months cycle may see a repeat of it but not as long.
The good news is that all of your symptoms are temporary. They will stop, but it hard to say just how many more days this will occur. I tell my patients to make sure they are giving their body all it needs to do it's function well. That means a good balanced diet with plenty of vegetables of different colors, and some fruit. If you are deficient in these areas then consider taking a multivitamin. Making sure you are getting plenty of water, and avoid caffeine as it can be dehydrating. For every cup of any caffeinated product you should give yourself 2 cusp of water in addition to the usual recommended intake for a young healthy person of 50-64 oz/day.
You should also know that any stress can cause a change in your menstrual cycle, including a UTI. Now that you have been treated for the UTI make sure you continue to drink plenty of water to thoroughly flush your urinary tract and prevent subsequent infections.
Your cervical screen, i.e PAP test , will not be affected adversely by these changes. So wait until you get the results.
Let me know if you have any further questions regarding this question as my goal is to make sure you are completely satisfied with your answer.