Never flush drugs down the toilet. We don't need more crap in the environment. Better in landfill where they're more sequestered (though not well)
Crypto is right in that you have no good reason to take them, so shouldn't. Antibiotics treat bacterial infection, not viruses. Focus on eating well, including pre- and pro-biotics for your IBS. Especially drop the wheat.
Stand up for yourself
Four years Primal with influences from Jaminet & Shanahan and a focus on being anti-inflammatory. Using Primal to treat CVD and prevent stents from blocking free of drugs.
Eat creatures nose-to-tail (animal, fowl, fish, crustacea, molluscs), a large variety of vegetables (raw, cooked and fermented, including safe starches), dairy (cheese & yoghurt), occasional fruit, cocoa, turmeric & red wine