Speed Abuse: Meth Drug Addiction

speed abuse - Important information about crystal meth addiction, signs of meth use and crystal meth side effects.

Can alcohol and cocaine/speed abuse cause nephritis?
My boyfriend had nephritis and was a heavy drinker. He also used cocaine and speed but not as much as he drank. Can prolonged use of these cause nephritis?My boyfriend HAD nephritis. He abused alcohol and crack cocaine. He's dead now. I want to know if the abuse could have caused his death.