Nitrofurantoin

Nitrofurantoin is an old-school antibiotic, a nitrofuran derivative, that’s been kicking around since the 1950s. It’s not a trendy supplement or a fancy medical device, but it’s one of those workhorse drugs that, if you’re in primary care or urology, you develop a real respect for. It’s almost exclusively used for lower urinary tract infections (UTIs) – cystitis, basically. It doesn’t get into the bloodstream much; it concentrates in the urine, which is its whole party trick.