Ranexa
"Took Ranexa for a short period and experienced severe urinary symptoms. After being examined by a Nephrologist, I was found to have an acute kidney failure. He immediately took me off Ranexa - and with long and disciplined treatment I was brought back to "almost normal" kidney function. However, it is clear from my regular blood tests over several years that Ranexa has caused lasting kidney damage which shows evidence of being permanent.."