By Rajnish Mago, MD (bio) Question from a Member: Over the years I have ended up putting patients on high doses of controlled substances—mixed amphetamine salts (brand name Adderall) up to 90 mg/day, alprazolam (brand name Xanax) 4 to 5 mg/day, clonazepam 4 to 6 mg/day, etc. There’s no evidence of abuse but patients have…