If your home is on a sewer line, you can flush them. If you have a septic system, wrap them well and put them out with the trash. DO NOT flush tampons with a septic system - ask anyone who works for a septic system maintenance company. They'll have plenty of Horror stories to tell you.
DO NOT flush tampons down any toilet.
Tampon companies sometimes claim that their products are flushable on the basis that they can be flushed down the toilet, but with no consideration as to what happens to the tampons after they've been flushed. Tampons don't break-down in water and instead expand thus can cause blockages in pipes which in turn can cause busted pipes and flooding, also sewage treatment plants aren't built to deal with rubbish being flushed so tampons can bypass sewage treatment and make it into waterways where it's not just an eyesore but can also harm wildlife.
Always wrap-up your used tampons in toilet paper or wrappers and throw them in the bin - this is why they have sanitary bins in public bathrooms, toilets are not bins! Tampons are a big enough environmental concern without adding to the problem by flushing your tampons.
by recycling it :)
The best way to dispose of a cartridge is to recycle it, if you are not able to get a refill for it. You will take it to any recycling facility to dispose of it.
pour it over a fire
Bring it to a recycling center
Read this: http://www.ehow.com/how_7546321_dispose-neon-lights.html
the correct way to dispose of a flag respectfully is by burning it.
Women in Japan dispose of their used tampons and pads just like women elsehwere in the world - wrap-up in old wrapper, toilet paper, or disposable bags then throw in the bin. They don't use a special way of folding the toilet paper...there is no tampon disposal origami paper crane type situation going on.
To get rid of used batteries contact your waste management company. They'll send over a special collection crew to dispose of batteries.
Women at war should dispose of tampons as they would normally - in a bin. If by women at war you mean soldiers then some female soldiers will suppress their periods or use options like menstrual cups so they don't have to worry about leaking, changing, or disposal.
There is no law against it. The proper way to dispose of a worn out flag is to burn it.
You might try donating them on "FreeCycle" Perhaps someone else can use them, thus no need to dispose of. Otherwise they need to go into the hazardous waste.
It doesn't affect you, the HIV patient, in any way. Just be sure to wash your hands thoroughly with soap and water after changed pads or tampons, and dispose of the used ones properly.