Quote:
Originally Posted by RickyMaveety
I've examined a lot of urine samples in my day, but even the cleanest catches have some bacteria in them. Urine is not, repeat, not "sterile." Even the healthiest person is going to have the odd E-coli in their urinary tract, as well as some other non-pathogenic flora and fauna.
Moldy bread was also used as a poultice before the invention of antiseptics. That doesn't mean that moldy bread is sterile ... it just means that it has antiseptic properties.
Urine is generally fairly acidic in pH, and the more acidic the urine, the more it behaves as an antiseptic. I know that the urine on a jellyfish sting is considered to be an old wives tale that some studies have disproved, but other studies support .... but then, moldy bread was out there in old wive's tale land until someone discovered penicillin.
I've been on the beach, and I've been stung. And, yup ... a friend peed on my foot. And, it did feel better ... so who knows?? But, I'll guarantee you it wasn't because my friend's pee was sterile.
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When in Rx school (PharmD) some 25ish years ago, it was taught that the nitrogen, well nitrates, in urine was the key to neutralizing the component of the jellyfish which caused the sting.
Still it is only a quick fix and medical attention is a good idea.