No, there's no need to use tampons in the shower (and don't use tampons when not menstruating).
You can shower while using internal menstrual products like tampons, sponges, menstrual cups, or softcups if you want to avoid blood coming out during showering and after when you get out of the shower. It is perfectly okay to shower without wearing internal menstrual products though, just rinse off at the end of your shower and have a pad ready for once you get out the shower - if you get blood on the towel rinse in cold water and then soak before washing as normal.
Yes, you can wear a tampon while taking doxycycline, no matter the reason you're taking it. Even if you are being treated for chlamydia, wearing a tampon will not affect the treatment.
Yes, it will not break
A tampon obviously
Yes, you can wear a tampon after urinating. Everyone urinates at some point, and urine comes out of your urethra not your vagina, so I'm not sure why you would think that you'd not be abel to wear a tampon after urinating.
Wear a super absorbency tampon like Tampax super in the green wrapper.
You need to weAR A tampon. Or if your not sure if a tampon will protect you fully, wear a panty liner.
Yes, there is no harm in using a pad or tampon during treatment for chlamydia.
Pentecostal women normally do not wear bathing suits; but some do.
You cannot do this, it would be embarrassing for you, so wear a tampon, or stay out of the pool.
tampon(:
A tampon
The bikini/bathing suit bottoms will come off if they dont.